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Let’s check out your problem:
(
3
2
+
9
)
×
(
[
1
+
9
]
×
2
)
=
(3^{2}+9)\times([1+9]\times2)=
(
3
2
+
9
)
×
([
1
+
9
]
×
2
)
=
View step-by-step help
Home
Math Problems
Grade 7
Powers with negative bases
Full solution
Q.
(
3
2
+
9
)
×
(
[
1
+
9
]
×
2
)
=
(3^{2}+9)\times([1+9]\times2)=
(
3
2
+
9
)
×
([
1
+
9
]
×
2
)
=
Calculate
3
2
3^2
3
2
:
Calculate the value of
3
2
3^2
3
2
.
\newline
3
2
=
3
×
3
=
9
3^2 = 3 \times 3 = 9
3
2
=
3
×
3
=
9
Add
9
9
9
:
Add
9
9
9
to the result from Step
1
1
1
.
\newline
9
9
9
(from
3
2
3^2
3
2
) +
9
9
9
=
18
18
18
Calculate
[
1
+
9
]
[1+9]
[
1
+
9
]
:
Calculate the value inside the brackets
[
1
+
9
]
[1+9]
[
1
+
9
]
.
\newline
1
+
9
=
10
1 + 9 = 10
1
+
9
=
10
Multiply by
2
2
2
:
Multiply the result from Step
3
3
3
by
2
2
2
.
\newline
10
×
2
=
20
10 \times 2 = 20
10
×
2
=
20
Multiply Step
2
2
2
and Step
4
4
4
:
Multiply the results from Step
2
2
2
and Step
4
4
4
.
18
×
20
=
360
18 \times 20 = 360
18
×
20
=
360
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x
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\newline
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x
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6
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x
\newline
x
=
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Question
Select the equivalent expression.
\newline
(
(
8
−
5
)
/
(
2
−
2
)
)
−
4
=
?
((8^{-5})/(2^{-2}))^{-4}=?
((
8
−
5
)
/
(
2
−
2
)
)
−
4
=
?
\newline
Choose
1
1
1
answer:
\newline
(A)
\newline
(
8
20
)
/
(
2
8
)
(8^{20})/(2^{8})
(
8
20
)
/
(
2
8
)
\newline
(B)
\newline
(
2
6
)
/
(
8
9
)
(2^{6})/(8^{9})
(
2
6
)
/
(
8
9
)
\newline
(C)
\newline
(
1
)
/
(
8
⋅
2
2
)
(1)/(8\cdot 2^{2})
(
1
)
/
(
8
⋅
2
2
)
Get tutor help
Posted 11 months ago
Question
Select the equivalent expression.
\newline
(
b
7
4
5
)
−
3
=
?
\left(\frac{b^{7}}{4^{5}}\right)^{-3}=\,?
(
4
5
b
7
)
−
3
=
?
\newline
Choose
1
1
1
answer:
\newline
(A)
b
21
4
15
\frac{b^{21}}{4^{15}}
4
15
b
21
\newline
(B)
4
15
b
21
\frac{4^{15}}{b^{21}}
b
21
4
15
\newline
(C)
b
−
21
⋅
4
−
15
b^{-21}\cdot 4^{-15}
b
−
21
⋅
4
−
15
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Posted 1 year ago
Question
Select the equivalent expression.
\newline
(
3
3
⋅
6
6
)
−
3
=
(3^{3}\cdot6^{6})^{-3}=
(
3
3
⋅
6
6
)
−
3
=
?
\newline
Choose
1
1
1
answer:
\newline
(A)
1
3
9
⋅
6
18
\frac{1}{3^{9}\cdot6^{18}}
3
9
⋅
6
18
1
\newline
(B)
6
18
3
9
\frac{6^{18}}{3^{9}}
3
9
6
18
\newline
(C)
3
9
6
18
\frac{3^{9}}{6^{18}}
6
18
3
9
Get tutor help
Posted 1 year ago
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