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Math Problems
Algebra 1
Add and subtract numbers written in scientific notation
Add and write your answer in scientific notation.
\newline
(
2
×
1
0
9
)
+
(
5.8
×
1
0
9
)
(2 \times 10^9) + (5.8 \times 10^9)
(
2
×
1
0
9
)
+
(
5.8
×
1
0
9
)
Get tutor help
Rewrite in simplest terms:
9
(
−
0.6
r
+
0.8
)
+
7
(
0.3
r
−
0.6
)
9(-0.6 r+0.8)+7(0.3 r-0.6)
9
(
−
0.6
r
+
0.8
)
+
7
(
0.3
r
−
0.6
)
\newline
Answer:
Get tutor help
Subtract. Write your answer in scientific notation.
\newline
(
5.6
×
1
0
6
)
−
(
1.1
×
1
0
6
)
(5.6 \times 10^6) - (1.1 \times 10^6)
(
5.6
×
1
0
6
)
−
(
1.1
×
1
0
6
)
\newline
Choices:
\newline
(A)
6.16
×
1
0
5
6.16 \times 10^5
6.16
×
1
0
5
\newline
(B)
4.5
×
1
0
5
4.5 \times 10^5
4.5
×
1
0
5
\newline
(C)
4.5
×
1
0
6
4.5 \times 10^6
4.5
×
1
0
6
\newline
(D)
6.16
×
1
0
6
6.16 \times 10^6
6.16
×
1
0
6
Get tutor help
Subtract. Write your answer in scientific notation.
\newline
(
4.2
×
1
0
8
)
−
(
2
×
1
0
8
)
(4.2 \times 10^8) - (2 \times 10^8)
(
4.2
×
1
0
8
)
−
(
2
×
1
0
8
)
\newline
Choices:
\newline
(A)
8.4
×
1
0
8
8.4 \times 10^8
8.4
×
1
0
8
\newline
(B)
8.4
×
1
0
4
8.4 \times 10^4
8.4
×
1
0
4
\newline
(C)
2.2
×
1
0
4
2.2 \times 10^4
2.2
×
1
0
4
\newline
(D)
2.2
×
1
0
8
2.2 \times 10^8
2.2
×
1
0
8
Get tutor help
Subtract. Write your answer in scientific notation.
\newline
(
6
×
1
0
3
)
−
(
2.59
×
1
0
3
)
(6 \times 10^3) - (2.59 \times 10^3)
(
6
×
1
0
3
)
−
(
2.59
×
1
0
3
)
\newline
Choices:
\newline
(A)
3.41
×
1
0
9
3.41 \times 10^9
3.41
×
1
0
9
\newline
(B)
3.41
×
1
0
3
3.41 \times 10^3
3.41
×
1
0
3
\newline
(C)
3.41
×
1
0
0
3.41 \times 10^0
3.41
×
1
0
0
\newline
(D)
3.41
×
1
0
6
3.41 \times 10^6
3.41
×
1
0
6
Get tutor help
Add. Write your answer in scientific notation.
\newline
(
5.84
×
1
0
2
)
+
(
2.85
×
1
0
2
)
(5.84 \times 10^2) + (2.85 \times 10^2)
(
5.84
×
1
0
2
)
+
(
2.85
×
1
0
2
)
\newline
Choices:
\newline
(A)
4.77
×
1
0
2
4.77 \times 10^2
4.77
×
1
0
2
\newline
(B)
4.77
×
1
0
4
4.77 \times 10^4
4.77
×
1
0
4
\newline
(C)
8.69
×
1
0
2
8.69 \times 10^2
8.69
×
1
0
2
\newline
(D)
8.69
×
1
0
4
8.69 \times 10^4
8.69
×
1
0
4
Get tutor help
Subtract. Write your answer in scientific notation.
\newline
(
9.1
×
1
0
7
)
−
(
2
×
1
0
7
)
(9.1 \times 10^7) - (2 \times 10^7)
(
9.1
×
1
0
7
)
−
(
2
×
1
0
7
)
\newline
Choices:
\newline
(A)
7.1
×
1
0
7
7.1 \times 10^7
7.1
×
1
0
7
\newline
(B)
2.8
×
1
0
7
2.8 \times 10^7
2.8
×
1
0
7
\newline
(C)
5.5
×
1
0
7
5.5 \times 10^7
5.5
×
1
0
7
\newline
(D)
6.3
×
1
0
7
6.3 \times 10^7
6.3
×
1
0
7
Get tutor help
Subtract. Write your answer in scientific notation.
\newline
(
6
×
1
0
3
)
−
(
2.59
×
1
0
3
)
(6 \times 10^3) - (2.59 \times 10^3)
(
6
×
1
0
3
)
−
(
2.59
×
1
0
3
)
\newline
Choices:
\newline
(A)
3.41
×
1
0
3
3.41 \times 10^3
3.41
×
1
0
3
\newline
(B)
3.41
×
1
0
0
3.41 \times 10^0
3.41
×
1
0
0
\newline
(C)
3.41
×
1
0
6
3.41 \times 10^6
3.41
×
1
0
6
\newline
(D)
3.41
×
1
0
9
3.41 \times 10^9
3.41
×
1
0
9
Get tutor help
Add. Write your answer in scientific notation.
\newline
(
3.2
×
1
0
2
)
+
(
4.047
×
1
0
2
)
(3.2 \times 10^2) + (4.047 \times 10^2)
(
3.2
×
1
0
2
)
+
(
4.047
×
1
0
2
)
\newline
Choices:
\newline
(A)
7.247
×
1
0
2
7.247 \times 10^2
7.247
×
1
0
2
\newline
(B)
9.74
×
1
0
4
9.74 \times 10^4
9.74
×
1
0
4
\newline
(C)
7.247
×
1
0
4
7.247 \times 10^4
7.247
×
1
0
4
\newline
(D)
9.74
×
1
0
2
9.74 \times 10^2
9.74
×
1
0
2
Get tutor help
Subtract. Write your answer in scientific notation.
\newline
(
9.1
×
1
0
7
)
−
(
2
×
1
0
7
)
(9.1 \times 10^7) - (2 \times 10^7)
(
9.1
×
1
0
7
)
−
(
2
×
1
0
7
)
\newline
Choices:
\newline
(A)
5.5
×
1
0
7
5.5 \times 10^7
5.5
×
1
0
7
\newline
(B)
6.3
×
1
0
7
6.3 \times 10^7
6.3
×
1
0
7
\newline
(C)
2.8
×
1
0
7
2.8 \times 10^7
2.8
×
1
0
7
\newline
(D)
7.1
×
1
0
7
7.1 \times 10^7
7.1
×
1
0
7
Get tutor help
Subtract. Write your answer in scientific notation.
\newline
(
7.12
×
1
0
3
)
−
(
4.43
×
1
0
3
)
(7.12 \times 10^3) - (4.43 \times 10^3)
(
7.12
×
1
0
3
)
−
(
4.43
×
1
0
3
)
\newline
Choices:
\newline
(A)
5.72
×
1
0
3
5.72 \times 10^3
5.72
×
1
0
3
\newline
(B)
9.18
×
1
0
3
9.18 \times 10^3
9.18
×
1
0
3
\newline
(C)
2.69
×
1
0
3
2.69 \times 10^3
2.69
×
1
0
3
\newline
(D)
3.55
×
1
0
3
3.55 \times 10^3
3.55
×
1
0
3
Get tutor help
Subtract. Write your answer in scientific notation.
\newline
(
7.12
×
1
0
3
)
−
(
4.43
×
1
0
3
)
(7.12 \times 10^3) - (4.43 \times 10^3)
(
7.12
×
1
0
3
)
−
(
4.43
×
1
0
3
)
\newline
Choices:
\newline
(A)
9.18
×
1
0
3
9.18 \times 10^3
9.18
×
1
0
3
\newline
(B)
2.69
×
1
0
3
2.69 \times 10^3
2.69
×
1
0
3
\newline
(C)
5.72
×
1
0
3
5.72 \times 10^3
5.72
×
1
0
3
\newline
(D)
3.55
×
1
0
3
3.55 \times 10^3
3.55
×
1
0
3
Get tutor help
Subtract. Write your answer in scientific notation.
\newline
(
5.83
×
1
0
4
)
−
(
1.22
×
1
0
4
)
(5.83 \times 10^4) - (1.22 \times 10^4)
(
5.83
×
1
0
4
)
−
(
1.22
×
1
0
4
)
\newline
Choices:
\newline
(A)
4.61
×
1
0
4
4.61 \times 10^4
4.61
×
1
0
4
\newline
(B)
4.61
×
1
0
8
4.61 \times 10^8
4.61
×
1
0
8
\newline
(C)
7.05
×
1
0
4
7.05 \times 10^4
7.05
×
1
0
4
\newline
(D)
7.05
×
1
0
8
7.05 \times 10^8
7.05
×
1
0
8
Get tutor help
Subtract. Write your answer in scientific notation.
\newline
(
8.3
×
1
0
8
)
−
(
4.6
×
1
0
8
)
(8.3 \times 10^8) - (4.6 \times 10^8)
(
8.3
×
1
0
8
)
−
(
4.6
×
1
0
8
)
\newline
Choices:
\newline
(A)
3.7
×
1
0
8
3.7 \times 10^8
3.7
×
1
0
8
\newline
(B)
3.8
×
1
0
8
3.8 \times 10^8
3.8
×
1
0
8
\newline
(C)
3.8
×
1
0
7
3.8 \times 10^7
3.8
×
1
0
7
\newline
(D)
3.7
×
1
0
7
3.7 \times 10^7
3.7
×
1
0
7
Get tutor help
Add. Write your answer in scientific notation.
\newline
(
3.99
×
1
0
7
)
+
(
2.27
×
1
0
7
)
(3.99 \times 10^7) + (2.27 \times 10^7)
(
3.99
×
1
0
7
)
+
(
2.27
×
1
0
7
)
\newline
Choices:
\newline
(A)
9.06
×
1
0
6
9.06 \times 10^6
9.06
×
1
0
6
\newline
(B)
9.06
×
1
0
7
9.06 \times 10^7
9.06
×
1
0
7
\newline
(C)
6.26
×
1
0
7
6.26 \times 10^7
6.26
×
1
0
7
\newline
(D)
6.26
×
1
0
6
6.26 \times 10^6
6.26
×
1
0
6
Get tutor help
Subtract. Write your answer in scientific notation.
\newline
(
7.5
×
1
0
6
)
−
(
4.7
×
1
0
6
)
(7.5 \times 10^6) - (4.7 \times 10^6)
(
7.5
×
1
0
6
)
−
(
4.7
×
1
0
6
)
\newline
Choices:
\newline
(A)
2.8
×
1
0
0
2.8 \times 10^0
2.8
×
1
0
0
\newline
(B)
6.7
×
1
0
0
6.7 \times 10^0
6.7
×
1
0
0
\newline
(C)
2.8
×
1
0
6
2.8 \times 10^6
2.8
×
1
0
6
\newline
(D)
6.7
×
1
0
6
6.7 \times 10^6
6.7
×
1
0
6
Get tutor help
Subtract. Write your answer in scientific notation.
\newline
(
9
×
1
0
5
)
−
(
7.7
×
1
0
5
)
(9 \times 10^5) - (7.7 \times 10^5)
(
9
×
1
0
5
)
−
(
7.7
×
1
0
5
)
\newline
Choices:
\newline
(A)
1.3
×
1
0
5
1.3 \times 10^5
1.3
×
1
0
5
\newline
(B)
1.3
×
1
0
0
1.3 \times 10^0
1.3
×
1
0
0
\newline
(C)
5.4
×
1
0
5
5.4 \times 10^5
5.4
×
1
0
5
\newline
(D)
5.4
×
1
0
0
5.4 \times 10^0
5.4
×
1
0
0
Get tutor help
Add. Write your answer in scientific notation.
\newline
(
1.53
×
1
0
4
)
+
(
8.17
×
1
0
4
)
(1.53 \times 10^4) + (8.17 \times 10^4)
(
1.53
×
1
0
4
)
+
(
8.17
×
1
0
4
)
\newline
Choices:
\newline
(A)
3.08
×
1
0
8
3.08 \times 10^8
3.08
×
1
0
8
\newline
(B)
9.7
×
1
0
4
9.7 \times 10^4
9.7
×
1
0
4
\newline
(C)
9.7
×
1
0
8
9.7 \times 10^8
9.7
×
1
0
8
\newline
(D)
3.08
×
1
0
4
3.08 \times 10^4
3.08
×
1
0
4
Get tutor help
Subtract. Write your answer in scientific notation.
\newline
(
9.75
×
1
0
9
)
−
(
2.69
×
1
0
9
)
(9.75 \times 10^9) - (2.69 \times 10^9)
(
9.75
×
1
0
9
)
−
(
2.69
×
1
0
9
)
\newline
Choices:
\newline
(A)
7.06
×
1
0
6
7.06 \times 10^6
7.06
×
1
0
6
\newline
(B)
7.06
×
1
0
9
7.06 \times 10^9
7.06
×
1
0
9
\newline
(C)
7.06
×
1
0
8
7.06 \times 10^8
7.06
×
1
0
8
\newline
(D)
7.06
×
1
0
7
7.06 \times 10^7
7.06
×
1
0
7
Get tutor help
Subtract. Write your answer in scientific notation.
\newline
(
5
×
1
0
3
)
−
(
2.57
×
1
0
3
)
(5 \times 10^3) - (2.57 \times 10^3)
(
5
×
1
0
3
)
−
(
2.57
×
1
0
3
)
\newline
Choices:
\newline
(A)
7.57
×
1
0
2
7.57 \times 10^2
7.57
×
1
0
2
\newline
(B)
2.43
×
1
0
3
2.43 \times 10^3
2.43
×
1
0
3
\newline
(C)
2.43
×
1
0
2
2.43 \times 10^2
2.43
×
1
0
2
\newline
(D)
7.57
×
1
0
3
7.57 \times 10^3
7.57
×
1
0
3
Get tutor help
Add. Write your answer in scientific notation.
\newline
(
5
×
1
0
5
)
+
(
3.9
×
1
0
5
)
(5 \times 10^5) + (3.9 \times 10^5)
(
5
×
1
0
5
)
+
(
3.9
×
1
0
5
)
\newline
Choices:
\newline
(A)
8.9
×
1
0
5
8.9 \times 10^5
8.9
×
1
0
5
\newline
(B)
7.2
×
1
0
10
7.2 \times 10^{10}
7.2
×
1
0
10
\newline
(C)
8.9
×
1
0
10
8.9 \times 10^{10}
8.9
×
1
0
10
\newline
(D)
7.2
×
1
0
5
7.2 \times 10^5
7.2
×
1
0
5
Get tutor help
Add. Write your answer in scientific notation.
\newline
(
1.41
×
1
0
6
)
+
(
5.9
×
1
0
6
)
(1.41 \times 10^6) + (5.9 \times 10^6)
(
1.41
×
1
0
6
)
+
(
5.9
×
1
0
6
)
\newline
Choices:
\newline
(A)
7.31
×
1
0
7
7.31 \times 10^7
7.31
×
1
0
7
\newline
(B)
7.31
×
1
0
6
7.31 \times 10^6
7.31
×
1
0
6
\newline
(C)
8.319
×
1
0
6
8.319 \times 10^6
8.319
×
1
0
6
\newline
(D)
8.319
×
1
0
7
8.319 \times 10^7
8.319
×
1
0
7
Get tutor help
Subtract. Write your answer in scientific notation.
\newline
(
6.63
×
1
0
6
)
−
(
2.6
×
1
0
6
)
(6.63 \times 10^6) - (2.6 \times 10^6)
(
6.63
×
1
0
6
)
−
(
2.6
×
1
0
6
)
\newline
Choices:
\newline
(A)
4.03
×
1
0
8
4.03 \times 10^8
4.03
×
1
0
8
\newline
(B)
4.03
×
1
0
6
4.03 \times 10^6
4.03
×
1
0
6
\newline
(C)
4.03
×
1
0
4
4.03 \times 10^4
4.03
×
1
0
4
\newline
(D)
4.03
×
1
0
2
4.03 \times 10^2
4.03
×
1
0
2
Get tutor help
Add. Write your answer in scientific notation.
\newline
(
5.5
×
1
0
7
)
+
(
2
×
1
0
7
)
(5.5 \times 10^7) + (2 \times 10^7)
(
5.5
×
1
0
7
)
+
(
2
×
1
0
7
)
\newline
Choices:
\newline
(A)
7.5
×
1
0
8
7.5 \times 10^8
7.5
×
1
0
8
\newline
(B)
1.1
×
1
0
7
1.1 \times 10^7
1.1
×
1
0
7
\newline
(C)
7.5
×
1
0
7
7.5 \times 10^7
7.5
×
1
0
7
\newline
(D)
1.1
×
1
0
8
1.1 \times 10^8
1.1
×
1
0
8
Get tutor help
Add. Write your answer in scientific notation.
\newline
(
1.8
×
1
0
4
)
+
(
7.2
×
1
0
4
)
(1.8 \times 10^4) + (7.2 \times 10^4)
(
1.8
×
1
0
4
)
+
(
7.2
×
1
0
4
)
\newline
Choices:
\newline
(A)
9
×
1
0
8
9 \times 10^8
9
×
1
0
8
\newline
(B)
3.4
×
1
0
8
3.4 \times 10^8
3.4
×
1
0
8
\newline
(C)
9
×
1
0
4
9 \times 10^4
9
×
1
0
4
\newline
(D)
3.4
×
1
0
4
3.4 \times 10^4
3.4
×
1
0
4
Get tutor help
Subtract. Write your answer in scientific notation.
\newline
(
5.94
×
1
0
4
)
−
(
2.62
×
1
0
4
)
(5.94 \times 10^4) - (2.62 \times 10^4)
(
5.94
×
1
0
4
)
−
(
2.62
×
1
0
4
)
\newline
Choices:
\newline
(A)
6.04
×
1
0
2
6.04 \times 10^2
6.04
×
1
0
2
\newline
(B)
3.32
×
1
0
4
3.32 \times 10^4
3.32
×
1
0
4
\newline
(C)
6.04
×
1
0
8
6.04 \times 10^8
6.04
×
1
0
8
\newline
(D)
3.32
×
1
0
0
3.32 \times 10^0
3.32
×
1
0
0
Get tutor help
Add. Write your answer in scientific notation.
\newline
(
5
×
1
0
3
)
+
(
1.7
×
1
0
3
)
(5 \times 10^3) + (1.7 \times 10^3)
(
5
×
1
0
3
)
+
(
1.7
×
1
0
3
)
\newline
Choices:
\newline
(A)
8.5
×
1
0
3
8.5 \times 10^3
8.5
×
1
0
3
\newline
(B)
6.7
×
1
0
6
6.7 \times 10^6
6.7
×
1
0
6
\newline
(C)
8.5
×
1
0
6
8.5 \times 10^6
8.5
×
1
0
6
\newline
(D)
6.7
×
1
0
3
6.7 \times 10^3
6.7
×
1
0
3
Get tutor help
Add. Write your answer in scientific notation.
\newline
(
3.59
×
1
0
2
)
+
(
6
×
1
0
2
)
(3.59 \times 10^2) + (6 \times 10^2)
(
3.59
×
1
0
2
)
+
(
6
×
1
0
2
)
\newline
Choices:
\newline
(A)
9.59
×
1
0
4
9.59 \times 10^4
9.59
×
1
0
4
\newline
(B)
1.98
×
1
0
4
1.98 \times 10^4
1.98
×
1
0
4
\newline
(C)
1.98
×
1
0
2
1.98 \times 10^2
1.98
×
1
0
2
\newline
(D)
9.59
×
1
0
2
9.59 \times 10^2
9.59
×
1
0
2
Get tutor help
Subtract. Write your answer in scientific notation.
\newline
(
8.97
×
1
0
2
)
−
(
5
×
1
0
2
)
(8.97 \times 10^2) - (5 \times 10^2)
(
8.97
×
1
0
2
)
−
(
5
×
1
0
2
)
\newline
Choices:
\newline
(A)
3.97
×
1
0
2
3.97 \times 10^2
3.97
×
1
0
2
\newline
(B)
8.4
×
10
8.4 \times 10
8.4
×
10
\newline
(C)
3.97
×
1
0
0
3.97 \times 10^0
3.97
×
1
0
0
\newline
(D)
8.4
×
1
0
3
8.4 \times 10^3
8.4
×
1
0
3
Get tutor help
Subtract. Write your answer in scientific notation.
\newline
(
6.63
×
1
0
6
)
−
(
2.6
×
1
0
6
)
(6.63 \times 10^6) - (2.6 \times 10^6)
(
6.63
×
1
0
6
)
−
(
2.6
×
1
0
6
)
\newline
Choices:
\newline
(A)
4.03
×
1
0
8
4.03 \times 10^8
4.03
×
1
0
8
\newline
(B)
4.03
×
1
0
4
4.03 \times 10^4
4.03
×
1
0
4
\newline
(C)
4.03
×
1
0
6
4.03 \times 10^6
4.03
×
1
0
6
\newline
(D)
4.03
×
1
0
2
4.03 \times 10^2
4.03
×
1
0
2
Get tutor help
Add. Write your answer in scientific notation.
\newline
(
3.7
×
1
0
6
)
+
(
6
×
1
0
6
)
(3.7 \times 10^6) + (6 \times 10^6)
(
3.7
×
1
0
6
)
+
(
6
×
1
0
6
)
\newline
Choices:
\newline
(A)
9.7
×
1
0
7
9.7 \times 10^7
9.7
×
1
0
7
\newline
(B)
2.22
×
1
0
7
2.22 \times 10^7
2.22
×
1
0
7
\newline
(C)
2.22
×
1
0
6
2.22 \times 10^6
2.22
×
1
0
6
\newline
(D)
9.7
×
1
0
6
9.7 \times 10^6
9.7
×
1
0
6
Get tutor help
Subtract. Write your answer in scientific notation.
\newline
(
4
×
1
0
7
)
−
(
2.1
×
1
0
7
)
(4 \times 10^7) - (2.1 \times 10^7)
(
4
×
1
0
7
)
−
(
2.1
×
1
0
7
)
\newline
Choices:
\newline
(A)
8.4
×
1
0
7
8.4 \times 10^7
8.4
×
1
0
7
\newline
(B)
8.4
×
1
0
0
8.4 \times 10^0
8.4
×
1
0
0
\newline
(C)
1.9
×
1
0
7
1.9 \times 10^7
1.9
×
1
0
7
\newline
(D)
1.9
×
1
0
0
1.9 \times 10^0
1.9
×
1
0
0
Get tutor help
Add. Write your answer in scientific notation.
\newline
(
1.41
×
1
0
6
)
+
(
5.9
×
1
0
6
)
(1.41 \times 10^6) + (5.9 \times 10^6)
(
1.41
×
1
0
6
)
+
(
5.9
×
1
0
6
)
\newline
Choices:
\newline
(A)
8.319
×
1
0
7
8.319 \times 10^7
8.319
×
1
0
7
\newline
(B)
7.31
×
1
0
7
7.31 \times 10^7
7.31
×
1
0
7
\newline
(C)
8.319
×
1
0
6
8.319 \times 10^6
8.319
×
1
0
6
\newline
(D)
7.31
×
1
0
6
7.31 \times 10^6
7.31
×
1
0
6
Get tutor help
Add. Write your answer in scientific notation.
\newline
(
1.8
×
1
0
4
)
+
(
7.2
×
1
0
4
)
(1.8 \times 10^4) + (7.2 \times 10^4)
(
1.8
×
1
0
4
)
+
(
7.2
×
1
0
4
)
\newline
Choices:
\newline
(A)
3.4
×
1
0
8
3.4 \times 10^8
3.4
×
1
0
8
\newline
(B)
3.4
×
1
0
4
3.4 \times 10^4
3.4
×
1
0
4
\newline
(C)
9
×
1
0
4
9 \times 10^4
9
×
1
0
4
\newline
(D)
9
×
1
0
8
9 \times 10^8
9
×
1
0
8
Get tutor help
Subtract. Write your answer in scientific notation.
\newline
(
4.9
×
1
0
8
)
−
(
2.39
×
1
0
8
)
(4.9 \times 10^8) - (2.39 \times 10^8)
(
4.9
×
1
0
8
)
−
(
2.39
×
1
0
8
)
\newline
Choices:
\newline
(A)
4.84
×
1
0
8
4.84 \times 10^8
4.84
×
1
0
8
\newline
(B)
6.03
×
1
0
8
6.03 \times 10^8
6.03
×
1
0
8
\newline
(C)
5.71
×
1
0
8
5.71 \times 10^8
5.71
×
1
0
8
\newline
(D)
2.51
×
1
0
8
2.51 \times 10^8
2.51
×
1
0
8
Get tutor help
Add. Write your answer in scientific notation.
\newline
(
1.53
×
1
0
4
)
+
(
8.17
×
1
0
4
)
(1.53 \times 10^4) + (8.17 \times 10^4)
(
1.53
×
1
0
4
)
+
(
8.17
×
1
0
4
)
\newline
Choices:
\newline
(A)
3.08
×
1
0
4
3.08 \times 10^4
3.08
×
1
0
4
\newline
(B)
9.7
×
1
0
8
9.7 \times 10^8
9.7
×
1
0
8
\newline
(C)
3.08
×
1
0
8
3.08 \times 10^8
3.08
×
1
0
8
\newline
(D)
9.7
×
1
0
4
9.7 \times 10^4
9.7
×
1
0
4
Get tutor help
Subtract. Write your answer in scientific notation.
\newline
(
6
×
1
0
3
)
−
(
2.59
×
1
0
3
)
(6 \times 10^3) - (2.59 \times 10^3)
(
6
×
1
0
3
)
−
(
2.59
×
1
0
3
)
\newline
Choices:
\newline
(A)
3.41
×
1
0
0
3.41 \times 10^0
3.41
×
1
0
0
\newline
(B)
3.41
×
1
0
9
3.41 \times 10^9
3.41
×
1
0
9
\newline
(C)
3.41
×
1
0
3
3.41 \times 10^3
3.41
×
1
0
3
\newline
(D)
3.41
×
1
0
6
3.41 \times 10^6
3.41
×
1
0
6
Get tutor help
Add. Write your answer in scientific notation.
\newline
(
1.8
×
1
0
4
)
+
(
7.2
×
1
0
4
)
(1.8 \times 10^4) + (7.2 \times 10^4)
(
1.8
×
1
0
4
)
+
(
7.2
×
1
0
4
)
\newline
Choices:
\newline
(A)
3.4
×
1
0
4
3.4 \times 10^4
3.4
×
1
0
4
\newline
(B)
9
×
1
0
8
9 \times 10^8
9
×
1
0
8
\newline
(C)
3.4
×
1
0
8
3.4 \times 10^8
3.4
×
1
0
8
\newline
(D)
9
×
1
0
4
9 \times 10^4
9
×
1
0
4
Get tutor help
Add. Write your answer in scientific notation.
\newline
(
5.84
×
1
0
2
)
+
(
2.85
×
1
0
2
)
(5.84 \times 10^2) + (2.85 \times 10^2)
(
5.84
×
1
0
2
)
+
(
2.85
×
1
0
2
)
\newline
Choices:
\newline
(A)
8.69
×
1
0
2
8.69 \times 10^2
8.69
×
1
0
2
\newline
(B)
8.69
×
1
0
4
8.69 \times 10^4
8.69
×
1
0
4
\newline
(C)
4.77
×
1
0
2
4.77 \times 10^2
4.77
×
1
0
2
\newline
(D)
4.77
×
1
0
4
4.77 \times 10^4
4.77
×
1
0
4
Get tutor help
Subtract. Write your answer in scientific notation.
\newline
(
6
×
1
0
3
)
−
(
2.59
×
1
0
3
)
(6 \times 10^3) - (2.59 \times 10^3)
(
6
×
1
0
3
)
−
(
2.59
×
1
0
3
)
\newline
Choices:
\newline
(A)
3.41
×
1
0
0
3.41 \times 10^0
3.41
×
1
0
0
\newline
(B)
3.41
×
1
0
6
3.41 \times 10^6
3.41
×
1
0
6
\newline
(C)
3.41
×
1
0
9
3.41 \times 10^9
3.41
×
1
0
9
\newline
(D)
3.41
×
1
0
3
3.41 \times 10^3
3.41
×
1
0
3
Get tutor help
Subtract. Write your answer in scientific notation.
\newline
(
5.6
×
1
0
6
)
−
(
1.1
×
1
0
6
)
(5.6 \times 10^6) - (1.1 \times 10^6)
(
5.6
×
1
0
6
)
−
(
1.1
×
1
0
6
)
\newline
Choices:
\newline
(A)
6.16
×
1
0
6
6.16 \times 10^6
6.16
×
1
0
6
\newline
(B)
4.5
×
1
0
5
4.5 \times 10^5
4.5
×
1
0
5
\newline
(C)
6.16
×
1
0
5
6.16 \times 10^5
6.16
×
1
0
5
\newline
(D)
4.5
×
1
0
6
4.5 \times 10^6
4.5
×
1
0
6
Get tutor help
Subtract. Write your answer in scientific notation.
\newline
(
6.9
×
1
0
9
)
−
(
3.89
×
1
0
9
)
(6.9 \times 10^9) - (3.89 \times 10^9)
(
6.9
×
1
0
9
)
−
(
3.89
×
1
0
9
)
\newline
Choices:
\newline
(A)
3.01
×
1
0
9
3.01 \times 10^9
3.01
×
1
0
9
\newline
(B)
3.01
×
1
0
10
3.01 \times 10^{10}
3.01
×
1
0
10
\newline
(C)
2.684
×
1
0
9
2.684 \times 10^9
2.684
×
1
0
9
\newline
(D)
2.684
×
1
0
10
2.684 \times 10^{10}
2.684
×
1
0
10
Get tutor help
Add. Write your answer in scientific notation.
\newline
(
5
×
1
0
3
)
+
(
1.7
×
1
0
3
)
(5 \times 10^3) + (1.7 \times 10^3)
(
5
×
1
0
3
)
+
(
1.7
×
1
0
3
)
\newline
Choices:
\newline
(A)
8.5
×
1
0
3
8.5 \times 10^3
8.5
×
1
0
3
\newline
(B)
6.7
×
1
0
3
6.7 \times 10^3
6.7
×
1
0
3
\newline
(C)
6.7
×
1
0
6
6.7 \times 10^6
6.7
×
1
0
6
\newline
(D)
8.5
×
1
0
6
8.5 \times 10^6
8.5
×
1
0
6
Get tutor help
Add. Write your answer in scientific notation.
\newline
(
5
×
1
0
5
)
+
(
3.9
×
1
0
5
)
(5 \times 10^5) + (3.9 \times 10^5)
(
5
×
1
0
5
)
+
(
3.9
×
1
0
5
)
\newline
Choices:
\newline
(A)
7.2
×
1
0
10
7.2 \times 10^{10}
7.2
×
1
0
10
\newline
(B)
8.9
×
1
0
5
8.9 \times 10^5
8.9
×
1
0
5
\newline
(C)
7.2
×
1
0
5
7.2 \times 10^5
7.2
×
1
0
5
\newline
(D)
8.9
×
1
0
10
8.9 \times 10^{10}
8.9
×
1
0
10
Get tutor help
Add. Write your answer in scientific notation.
\newline
(
2
×
1
0
9
)
+
(
5.8
×
1
0
9
)
(2 \times 10^9) + (5.8 \times 10^9)
(
2
×
1
0
9
)
+
(
5.8
×
1
0
9
)
\newline
Choices:
\newline
(A)
1.16
×
1
0
10
1.16 \times 10^{10}
1.16
×
1
0
10
\newline
(B)
1.16
×
1
0
9
1.16 \times 10^9
1.16
×
1
0
9
\newline
(C)
7.8
×
1
0
10
7.8 \times 10^{10}
7.8
×
1
0
10
\newline
(D)
7.8
×
1
0
9
7.8 \times 10^9
7.8
×
1
0
9
Get tutor help
Subtract. Write your answer in scientific notation.
\newline
(
4.9
×
1
0
8
)
−
(
2.39
×
1
0
8
)
(4.9 \times 10^8) - (2.39 \times 10^8)
(
4.9
×
1
0
8
)
−
(
2.39
×
1
0
8
)
\newline
Choices:
\newline
(A)
2.51
×
1
0
8
2.51 \times 10^8
2.51
×
1
0
8
\newline
(B)
5.71
×
1
0
8
5.71 \times 10^8
5.71
×
1
0
8
\newline
(C)
6.03
×
1
0
8
6.03 \times 10^8
6.03
×
1
0
8
\newline
(D)
4.84
×
1
0
8
4.84 \times 10^8
4.84
×
1
0
8
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Subtract. Write your answer in scientific notation.
\newline
(
9
×
1
0
5
)
−
(
7.7
×
1
0
5
)
(9 \times 10^5) - (7.7 \times 10^5)
(
9
×
1
0
5
)
−
(
7.7
×
1
0
5
)
\newline
Choices:
\newline
(A)
5.4
×
1
0
0
5.4 \times 10^0
5.4
×
1
0
0
\newline
(B)
1.3
×
1
0
5
1.3 \times 10^5
1.3
×
1
0
5
\newline
(C)
5.4
×
1
0
5
5.4 \times 10^5
5.4
×
1
0
5
\newline
(D)
1.3
×
1
0
0
1.3 \times 10^0
1.3
×
1
0
0
Get tutor help
Subtract. Write your answer in scientific notation.
\newline
(
9
×
1
0
5
)
−
(
7.7
×
1
0
5
)
(9 \times 10^5) - (7.7 \times 10^5)
(
9
×
1
0
5
)
−
(
7.7
×
1
0
5
)
\newline
Choices:
\newline
(A)
1.3
×
1
0
0
1.3 \times 10^0
1.3
×
1
0
0
\newline
(B)
1.3
×
1
0
5
1.3 \times 10^5
1.3
×
1
0
5
\newline
(C)
5.4
×
1
0
0
5.4 \times 10^0
5.4
×
1
0
0
\newline
(D)
5.4
×
1
0
5
5.4 \times 10^5
5.4
×
1
0
5
Get tutor help
Subtract. Write your answer in scientific notation.
\newline
(
6
×
1
0
3
)
−
(
2.59
×
1
0
3
)
(6 \times 10^3) - (2.59 \times 10^3)
(
6
×
1
0
3
)
−
(
2.59
×
1
0
3
)
\newline
Choices:
\newline
(A)
3.41
×
1
0
3
3.41 \times 10^3
3.41
×
1
0
3
\newline
(B)
3.41
×
1
0
6
3.41 \times 10^6
3.41
×
1
0
6
\newline
(C)
3.41
×
1
0
9
3.41 \times 10^9
3.41
×
1
0
9
\newline
(D)
3.41
×
1
0
0
3.41 \times 10^0
3.41
×
1
0
0
Get tutor help
Subtract. Write your answer in scientific notation.
\newline
(
7.12
×
1
0
3
)
−
(
4.43
×
1
0
3
)
(7.12 \times 10^3) - (4.43 \times 10^3)
(
7.12
×
1
0
3
)
−
(
4.43
×
1
0
3
)
\newline
Choices:
\newline
(A)
3.55
×
1
0
3
3.55 \times 10^3
3.55
×
1
0
3
\newline
(B)
5.72
×
1
0
3
5.72 \times 10^3
5.72
×
1
0
3
\newline
(C)
9.18
×
1
0
3
9.18 \times 10^3
9.18
×
1
0
3
\newline
(D)
2.69
×
1
0
3
2.69 \times 10^3
2.69
×
1
0
3
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