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Math Problems
Algebra 1
Add and subtract numbers written in scientific notation
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
(
6.63
×
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
2
4.03 \times 10^2
4.03
×
1
0
2
\newline
(B)
4.03
×
1
0
8
4.03 \times 10^8
4.03
×
1
0
8
\newline
(C)
4.03
×
1
0
4
4.03 \times 10^4
4.03
×
1
0
4
\newline
(D)
4.03
×
1
0
6
4.03 \times 10^6
4.03
×
1
0
6
Get tutor help
Add. Write your answer in scientific notation.
\newline
(
1.9
×
1
0
8
)
+
(
3.4
×
1
0
8
)
(1.9 \times 10^8) + (3.4 \times 10^8)
(
1.9
×
1
0
8
)
+
(
3.4
×
1
0
8
)
\newline
Choices:
\newline
(A)
5.3
×
1
0
8
5.3 \times 10^8
5.3
×
1
0
8
\newline
(B)
5.3
×
1
0
7
5.3 \times 10^7
5.3
×
1
0
7
\newline
(C)
6.46
×
1
0
7
6.46 \times 10^7
6.46
×
1
0
7
\newline
(D)
6.46
×
1
0
8
6.46 \times 10^8
6.46
×
1
0
8
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)
7.05
×
1
0
4
7.05 \times 10^4
7.05
×
1
0
4
\newline
(C)
4.61
×
1
0
8
4.61 \times 10^8
4.61
×
1
0
8
\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
(
9.91
×
1
0
2
)
−
(
4
×
1
0
2
)
(9.91 \times 10^2) - (4 \times 10^2)
(
9.91
×
1
0
2
)
−
(
4
×
1
0
2
)
\newline
Choices:
\newline
(A)
8
×
1
0
2
8 \times 10^2
8
×
1
0
2
\newline
(B)
5.91
×
1
0
2
5.91 \times 10^2
5.91
×
1
0
2
\newline
(C)
9.1
×
1
0
2
9.1 \times 10^2
9.1
×
1
0
2
\newline
(D)
4.911
×
1
0
2
4.911 \times 10^2
4.911
×
1
0
2
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)
9.59
×
1
0
2
9.59 \times 10^2
9.59
×
1
0
2
\newline
(C)
1.98
×
1
0
2
1.98 \times 10^2
1.98
×
1
0
2
\newline
(D)
1.98
×
1
0
4
1.98 \times 10^4
1.98
×
1
0
4
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)
1.9
×
1
0
7
1.9 \times 10^7
1.9
×
1
0
7
\newline
(B)
1.9
×
1
0
0
1.9 \times 10^0
1.9
×
1
0
0
\newline
(C)
8.4
×
1
0
7
8.4 \times 10^7
8.4
×
1
0
7
\newline
(D)
8.4
×
1
0
0
8.4 \times 10^0
8.4
×
1
0
0
Get tutor help
Subtract. Write your answer in scientific notation.
\newline
(
4.4
×
1
0
6
)
−
(
1.37
×
1
0
6
)
(4.4 \times 10^6) - (1.37 \times 10^6)
(
4.4
×
1
0
6
)
−
(
1.37
×
1
0
6
)
\newline
Choices:
\newline
(A)
5.77
×
1
0
3
5.77 \times 10^3
5.77
×
1
0
3
\newline
(B)
3.03
×
1
0
6
3.03 \times 10^6
3.03
×
1
0
6
\newline
(C)
3.03
×
1
0
3
3.03 \times 10^3
3.03
×
1
0
3
\newline
(D)
5.77
×
1
0
6
5.77 \times 10^6
5.77
×
1
0
6
Get tutor help
Subtract. Write your answer in scientific notation.
\newline
(
8.11
×
1
0
7
)
−
(
4.3
×
1
0
7
)
(8.11 \times 10^7) - (4.3 \times 10^7)
(
8.11
×
1
0
7
)
−
(
4.3
×
1
0
7
)
\newline
Choices:
\newline
(A)
4.88
×
1
0
7
4.88 \times 10^7
4.88
×
1
0
7
\newline
(B)
3.81
×
1
0
7
3.81 \times 10^7
3.81
×
1
0
7
\newline
(C)
3.41
×
1
0
7
3.41 \times 10^7
3.41
×
1
0
7
\newline
(D)
4.38
×
1
0
7
4.38 \times 10^7
4.38
×
1
0
7
Get tutor help
Add. Write your answer in scientific notation.
\newline
(
4
×
1
0
5
)
+
(
3.4
×
1
0
5
)
(4 \times 10^5) + (3.4 \times 10^5)
(
4
×
1
0
5
)
+
(
3.4
×
1
0
5
)
\newline
Choices:
\newline
(A)
3.8
×
1
0
5
3.8 \times 10^5
3.8
×
1
0
5
\newline
(B)
7.4
×
1
0
5
7.4 \times 10^5
7.4
×
1
0
5
\newline
(C)
7.4
×
1
0
10
7.4 \times 10^{10}
7.4
×
1
0
10
\newline
(D)
3.8
×
1
0
10
3.8 \times 10^{10}
3.8
×
1
0
10
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)
8.4
×
1
0
3
8.4 \times 10^3
8.4
×
1
0
3
\newline
(B)
8.4
×
10
8.4 \times 10
8.4
×
10
\newline
(C)
3.97
×
1
0
2
3.97 \times 10^2
3.97
×
1
0
2
\newline
(D)
3.97
×
1
0
0
3.97 \times 10^0
3.97
×
1
0
0
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
0
3.97 \times 10^0
3.97
×
1
0
0
\newline
(B)
8.4
×
10
8.4 \times 10
8.4
×
10
\newline
(C)
3.97
×
1
0
2
3.97 \times 10^2
3.97
×
1
0
2
\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
(
8.11
×
1
0
7
)
−
(
4.3
×
1
0
7
)
(8.11 \times 10^7) - (4.3 \times 10^7)
(
8.11
×
1
0
7
)
−
(
4.3
×
1
0
7
)
\newline
Choices:
\newline
(A)
3.81
×
1
0
7
3.81 \times 10^7
3.81
×
1
0
7
\newline
(B)
4.88
×
1
0
7
4.88 \times 10^7
4.88
×
1
0
7
\newline
(C)
4.38
×
1
0
7
4.38 \times 10^7
4.38
×
1
0
7
\newline
(D)
3.41
×
1
0
7
3.41 \times 10^7
3.41
×
1
0
7
Get tutor help
Subtract and 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
)
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
8
4.61 \times 10^8
4.61
×
1
0
8
\newline
(B)
7.05
×
1
0
4
7.05 \times 10^4
7.05
×
1
0
4
\newline
(C)
4.61
×
1
0
4
4.61 \times 10^4
4.61
×
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
(
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
6
3.41 \times 10^6
3.41
×
1
0
6
\newline
(C)
3.41
×
1
0
0
3.41 \times 10^0
3.41
×
1
0
0
\newline
(D)
3.41
×
1
0
3
3.41 \times 10^3
3.41
×
1
0
3
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)
9.74
×
1
0
2
9.74 \times 10^2
9.74
×
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)
7.247
×
1
0
2
7.247 \times 10^2
7.247
×
1
0
2
Get tutor help
Subtract. Write your answer in scientific notation.
\newline
(
9.94
×
1
0
7
)
−
(
5.2
×
1
0
7
)
(9.94 \times 10^7) - (5.2 \times 10^7)
(
9.94
×
1
0
7
)
−
(
5.2
×
1
0
7
)
\newline
Choices:
\newline
(A)
4.74
×
1
0
7
4.74 \times 10^7
4.74
×
1
0
7
\newline
(B)
4.74
×
1
0
9
4.74 \times 10^9
4.74
×
1
0
9
\newline
(C)
4.74
×
1
0
8
4.74 \times 10^8
4.74
×
1
0
8
\newline
(D)
4.74
×
1
0
1
0
4.74 \times 10^10
4.74
×
1
0
1
0
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)
6.7
×
1
0
0
6.7 \times 10^0
6.7
×
1
0
0
\newline
(B)
2.8
×
1
0
6
2.8 \times 10^6
2.8
×
1
0
6
\newline
(C)
6.7
×
1
0
6
6.7 \times 10^6
6.7
×
1
0
6
\newline
(D)
2.8
×
1
0
0
2.8 \times 10^0
2.8
×
1
0
0
Get tutor help
Subtract. Write your answer in scientific notation.
\newline
(
8.11
×
1
0
7
)
−
(
4.3
×
1
0
7
)
(8.11 \times 10^7) - (4.3 \times 10^7)
(
8.11
×
1
0
7
)
−
(
4.3
×
1
0
7
)
\newline
Choices:
\newline
(A)
3.81
×
1
0
7
3.81 \times 10^7
3.81
×
1
0
7
\newline
(B)
4.38
×
1
0
7
4.38 \times 10^7
4.38
×
1
0
7
\newline
(C)
4.88
×
1
0
7
4.88 \times 10^7
4.88
×
1
0
7
\newline
(D)
3.41
×
1
0
7
3.41 \times 10^7
3.41
×
1
0
7
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)
7.8
×
1
0
10
7.8 \times 10^{10}
7.8
×
1
0
10
\newline
(B)
7.8
×
1
0
9
7.8 \times 10^9
7.8
×
1
0
9
\newline
(C)
1.16
×
1
0
10
1.16 \times 10^{10}
1.16
×
1
0
10
\newline
(D)
1.16
×
1
0
9
1.16 \times 10^9
1.16
×
1
0
9
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)
6.3
×
1
0
7
6.3 \times 10^7
6.3
×
1
0
7
\newline
(B)
7.1
×
1
0
7
7.1 \times 10^7
7.1
×
1
0
7
\newline
(C)
5.5
×
1
0
7
5.5 \times 10^7
5.5
×
1
0
7
\newline
(D)
2.8
×
1
0
7
2.8 \times 10^7
2.8
×
1
0
7
Get tutor help
Add. Write your answer in scientific notation.
\newline
(
2.3
×
1
0
5
)
+
(
7.49
×
1
0
5
)
(2.3 \times 10^5) + (7.49 \times 10^5)
(
2.3
×
1
0
5
)
+
(
7.49
×
1
0
5
)
\newline
Choices:
\newline
(A)
7.72
×
1
0
5
7.72 \times 10^5
7.72
×
1
0
5
\newline
(B)
7.72
×
1
0
10
7.72 \times 10^{10}
7.72
×
1
0
10
\newline
(C)
9.79
×
1
0
10
9.79 \times 10^{10}
9.79
×
1
0
10
\newline
(D)
9.79
×
1
0
5
9.79 \times 10^5
9.79
×
1
0
5
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)
5.71
×
1
0
8
5.71 \times 10^8
5.71
×
1
0
8
\newline
(B)
2.51
×
1
0
8
2.51 \times 10^8
2.51
×
1
0
8
\newline
(C)
4.84
×
1
0
8
4.84 \times 10^8
4.84
×
1
0
8
\newline
(D)
6.03
×
1
0
8
6.03 \times 10^8
6.03
×
1
0
8
Get tutor help
Add. Write your answer in scientific notation.
\newline
(
1.9
×
1
0
8
)
+
(
3.4
×
1
0
8
)
(1.9 \times 10^8) + (3.4 \times 10^8)
(
1.9
×
1
0
8
)
+
(
3.4
×
1
0
8
)
\newline
Choices:
\newline
(A)
5.3
×
1
0
8
5.3 \times 10^8
5.3
×
1
0
8
\newline
(B)
6.46
×
1
0
8
6.46 \times 10^8
6.46
×
1
0
8
\newline
(C)
6.46
×
1
0
7
6.46 \times 10^7
6.46
×
1
0
7
\newline
(D)
5.3
×
1
0
7
5.3 \times 10^7
5.3
×
1
0
7
Get tutor help
Add. Write your answer in scientific notation.
\newline
(
4.7
×
1
0
3
)
+
(
3
×
1
0
3
)
(4.7 \times 10^3) + (3 \times 10^3)
(
4.7
×
1
0
3
)
+
(
3
×
1
0
3
)
\newline
Choices:
\newline
(A)
7.7
×
1
0
6
7.7 \times 10^6
7.7
×
1
0
6
\newline
(B)
7.7
×
1
0
3
7.7 \times 10^3
7.7
×
1
0
3
\newline
(C)
5
×
1
0
3
5 \times 10^3
5
×
1
0
3
\newline
(D)
5
×
1
0
6
5 \times 10^6
5
×
1
0
6
Get tutor help
Subtract. Write your answer in scientific notation.
\newline
(
9.04
×
1
0
9
)
−
(
5.86
×
1
0
9
)
(9.04 \times 10^9) - (5.86 \times 10^9)
(
9.04
×
1
0
9
)
−
(
5.86
×
1
0
9
)
\newline
Choices:
\newline
(A)
5.17
×
1
0
9
5.17 \times 10^9
5.17
×
1
0
9
\newline
(B)
3.18
×
1
0
9
3.18 \times 10^9
3.18
×
1
0
9
\newline
(C)
9.423
×
1
0
9
9.423 \times 10^9
9.423
×
1
0
9
\newline
(D)
4
×
1
0
9
4 \times 10^9
4
×
1
0
9
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)
6.26
×
1
0
7
6.26 \times 10^7
6.26
×
1
0
7
\newline
(B)
9.06
×
1
0
7
9.06 \times 10^7
9.06
×
1
0
7
\newline
(C)
9.06
×
1
0
6
9.06 \times 10^6
9.06
×
1
0
6
\newline
(D)
6.26
×
1
0
6
6.26 \times 10^6
6.26
×
1
0
6
Get tutor help
Add and write your answer in scientific notation.
\newline
(
2.39
×
1
0
2
)
+
(
5.04
×
1
0
2
)
(2.39 \times 10^2) + (5.04 \times 10^2)
(
2.39
×
1
0
2
)
+
(
5.04
×
1
0
2
)
Get tutor help
Add. Write your answer in scientific notation.
\newline
(
4.7
×
1
0
3
)
+
(
3
×
1
0
3
)
(4.7 \times 10^3) + (3 \times 10^3)
(
4.7
×
1
0
3
)
+
(
3
×
1
0
3
)
\newline
Choices:
\newline
(A)
7.7
×
1
0
6
7.7 \times 10^6
7.7
×
1
0
6
\newline
(B)
7.7
×
1
0
3
7.7 \times 10^3
7.7
×
1
0
3
\newline
(C)
5
×
1
0
6
5 \times 10^6
5
×
1
0
6
\newline
(D)
5
×
1
0
3
5 \times 10^3
5
×
1
0
3
Get tutor help
Subtract and 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
)
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
6
4.03 \times 10^6
4.03
×
1
0
6
\newline
(B)
4.03
×
1
0
2
4.03 \times 10^2
4.03
×
1
0
2
\newline
(C)
4.03
×
1
0
4
4.03 \times 10^4
4.03
×
1
0
4
\newline
(D)
4.03
×
1
0
8
4.03 \times 10^8
4.03
×
1
0
8
Get tutor help
Subtract and 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
)
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)
5.71
×
1
0
8
5.71 \times 10^8
5.71
×
1
0
8
\newline
(B)
6.03
×
1
0
8
6.03 \times 10^8
6.03
×
1
0
8
\newline
(C)
4.84
×
1
0
8
4.84 \times 10^8
4.84
×
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
(
2.8
×
1
0
3
)
+
(
4.3
×
1
0
3
)
(2.8 \times 10^3) + (4.3 \times 10^3)
(
2.8
×
1
0
3
)
+
(
4.3
×
1
0
3
)
\newline
Choices:
\newline
(A)
7.1
×
1
0
3
7.1 \times 10^3
7.1
×
1
0
3
\newline
(B)
4.58
×
1
0
6
4.58 \times 10^6
4.58
×
1
0
6
\newline
(C)
4.58
×
1
0
3
4.58 \times 10^3
4.58
×
1
0
3
\newline
(D)
7.1
×
1
0
6
7.1 \times 10^6
7.1
×
1
0
6
Get tutor help
Subtract. Write your answer in scientific notation.
\newline
(
3.7
×
1
0
8
)
−
(
1.76
×
1
0
8
)
(3.7 \times 10^8) - (1.76 \times 10^8)
(
3.7
×
1
0
8
)
−
(
1.76
×
1
0
8
)
\newline
Choices:
\newline
(A)
1.94
×
1
0
8
1.94 \times 10^8
1.94
×
1
0
8
\newline
(B)
1.94
×
1
0
9
1.94 \times 10^9
1.94
×
1
0
9
\newline
(C)
6.512
×
1
0
8
6.512 \times 10^8
6.512
×
1
0
8
\newline
(D)
6.512
×
1
0
9
6.512 \times 10^9
6.512
×
1
0
9
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
5
7.2 \times 10^5
7.2
×
1
0
5
\newline
(B)
8.9
×
1
0
5
8.9 \times 10^5
8.9
×
1
0
5
\newline
(C)
7.2
×
1
0
10
7.2 \times 10^{10}
7.2
×
1
0
10
\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
(
2.8
×
1
0
3
)
+
(
4.3
×
1
0
3
)
(2.8 \times 10^3) + (4.3 \times 10^3)
(
2.8
×
1
0
3
)
+
(
4.3
×
1
0
3
)
\newline
Choices:
\newline
(A)
7.1
×
1
0
3
7.1 \times 10^3
7.1
×
1
0
3
\newline
(B)
4.58
×
1
0
6
4.58 \times 10^6
4.58
×
1
0
6
\newline
(C)
7.1
×
1
0
6
7.1 \times 10^6
7.1
×
1
0
6
\newline
(D)
4.58
×
1
0
3
4.58 \times 10^3
4.58
×
1
0
3
Get tutor help
Simplify. Your answer should be in proper scientific notation:
\newline
(
8
×
1
0
2
)
(
6.3
×
1
0
5
)
\left(8 \times 10^{2}\right)\left(6.3 \times 10^{5}\right)
(
8
×
1
0
2
)
(
6.3
×
1
0
5
)
Get tutor help
Choose the letters of ALL of the numbers that are in proper scientific notation:
\newline
A)
15
×
1
0
3
15 \times 10^{3}
15
×
1
0
3
\newline
B)
2.3
×
1
0
8
2.3 \times 10^{8}
2.3
×
1
0
8
\newline
C)
0.6
×
1
0
2
0.6 \times 10^{2}
0.6
×
1
0
2
\newline
D)
8
+
1
0
4
8+10^{4}
8
+
1
0
4
\newline
E)
7.2
×
6
5
7.2 \times 6^{5}
7.2
×
6
5
Get tutor help
Factor
16
a
+
72
16 a+72
16
a
+
72
to identify the equivalent expressions.
\newline
Choose
2
2
2
answers:
\newline
A
4
(
4
a
+
18
)
4(4 a+18)
4
(
4
a
+
18
)
\newline
B
8
(
2
a
+
9
)
8(2 a+9)
8
(
2
a
+
9
)
\newline
C
2
(
8
+
36
a
)
2(8+36 a)
2
(
8
+
36
a
)
\newline
D
2
(
8
a
+
72
)
2(8 a+72)
2
(
8
a
+
72
)
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