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Let’s check out your problem:
Select the expressions that are equivalent to
6
d
+
6
d
6d + 6d
6
d
+
6
d
.
\newline
Multi-select Choices:
\newline
(A)
7
d
+
5
d
7d + 5d
7
d
+
5
d
\newline
(B)
d
×
12
d \times 12
d
×
12
\newline
(C)
12
d
12d
12
d
\newline
(D)
d
12
d^{12}
d
12
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Math Problems
Grade 8
Divide numbers written in scientific notation
Full solution
Q.
Select the expressions that are equivalent to
6
d
+
6
d
6d + 6d
6
d
+
6
d
.
\newline
Multi-select Choices:
\newline
(A)
7
d
+
5
d
7d + 5d
7
d
+
5
d
\newline
(B)
d
×
12
d \times 12
d
×
12
\newline
(C)
12
d
12d
12
d
\newline
(D)
d
12
d^{12}
d
12
Combine like terms:
Combine like terms in the expression
6
d
+
6
d
6d + 6d
6
d
+
6
d
.
\newline
Calculation:
6
d
+
6
d
=
12
d
6d + 6d = 12d
6
d
+
6
d
=
12
d
Compare with choices:
Compare the result with each choice.
\newline
(A)
7
d
+
5
d
=
12
d
7d + 5d = 12d
7
d
+
5
d
=
12
d
\newline
(B)
d
×
12
=
12
d
d \times 12 = 12d
d
×
12
=
12
d
\newline
(C)
12
d
=
12
d
12d = 12d
12
d
=
12
d
\newline
(D)
d
12
d^{12}
d
12
is not equivalent to
12
d
12d
12
d
Identify correct choices:
Identify correct choices based on calculations. Choices
(
A
)
(A)
(
A
)
,
(
B
)
(B)
(
B
)
, and
(
C
)
(C)
(
C
)
are equivalent to
12
d
12d
12
d
.
More problems from Divide numbers written in scientific notation
Question
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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Posted 1 year ago
Question
Factor
30
−
6
v
−
18
w
30-6 v-18 w
30
−
6
v
−
18
w
to identify the equivalent expressions.
\newline
Choose
2
2
2
answers:
\newline
A
2
(
15
−
12
v
)
2(15-12 v)
2
(
15
−
12
v
)
\newline
B
3
(
10
−
3
v
+
6
w
)
3(10-3 v+6 w)
3
(
10
−
3
v
+
6
w
)
\newline
c
6
(
5
−
v
−
3
w
)
6(5-v-3 w)
6
(
5
−
v
−
3
w
)
\newline
D
2
(
15
−
3
v
−
9
w
)
2(15-3 v-9 w)
2
(
15
−
3
v
−
9
w
)
Get tutor help
Posted 1 year ago
Question
Factor
24
m
−
12
p
+
72
24 m-12 p+72
24
m
−
12
p
+
72
to identify the equivalent expressions.
\newline
Choose
2
2
2
answers:
\newline
A
6
(
4
m
+
2
p
+
12
)
6(4 m+2 p+12)
6
(
4
m
+
2
p
+
12
)
\newline
B
2
(
12
m
−
6
p
+
36
)
2(12 m-6 p+36)
2
(
12
m
−
6
p
+
36
)
\newline
c
12
(
2
m
−
p
+
6
)
12(2 m-p+6)
12
(
2
m
−
p
+
6
)
\newline
D
24
(
m
−
12
p
+
3
)
24(m-12 p+3)
24
(
m
−
12
p
+
3
)
Get tutor help
Posted 1 year ago
Question
Factor
48
−
8
x
48-8 x
48
−
8
x
to identify the equivalent expressions.
\newline
Choose
2
2
2
answers:
\newline
A
3
(
16
−
8
x
)
3(16-8 x)
3
(
16
−
8
x
)
\newline
B
2
(
24
−
4
x
)
2(24-4 x)
2
(
24
−
4
x
)
\newline
c
8
(
6
−
x
)
8(6-x)
8
(
6
−
x
)
\newline
D
4
(
12
−
4
x
)
4(12-4 x)
4
(
12
−
4
x
)
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Posted 10 months ago
Question
Multiply and simplify the following complex numbers:
\newline
(
−
3
−
2
i
)
⋅
(
−
4
+
2
i
)
(-3-2 i) \cdot(-4+2 i)
(
−
3
−
2
i
)
⋅
(
−
4
+
2
i
)
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Posted 1 year ago
Question
Multiply and simplify the following complex numbers:
\newline
(
1
−
2
i
)
⋅
(
4
+
i
)
(1-2 i) \cdot(4+i)
(
1
−
2
i
)
⋅
(
4
+
i
)
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Question
Multiply and simplify the following complex numbers:
\newline
(
−
1
+
4
i
)
⋅
(
4
−
3
i
)
(-1+4 i) \cdot(4-3 i)
(
−
1
+
4
i
)
⋅
(
4
−
3
i
)
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Question
Multiply and simplify the following complex numbers:
\newline
(
−
4
−
4
i
)
⋅
(
−
5
−
3
i
)
(-4-4 i) \cdot(-5-3 i)
(
−
4
−
4
i
)
⋅
(
−
5
−
3
i
)
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Question
Multiply and simplify the following complex numbers:
\newline
(
1
+
5
i
)
⋅
(
−
3
−
i
)
(1+5 i) \cdot(-3-i)
(
1
+
5
i
)
⋅
(
−
3
−
i
)
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Posted 1 year ago
Question
Multiply and simplify the following complex numbers:
\newline
(
−
2
+
2
i
)
⋅
(
5
+
5
i
)
(-2+2 i) \cdot(5+5 i)
(
−
2
+
2
i
)
⋅
(
5
+
5
i
)
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