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Let’s check out your problem:
Simplify. Express your answer using positive exponents.
\newline
(
7
u
)
(
2
u
)
(
5
u
4
)
(7u)(2u)(5u^4)
(
7
u
)
(
2
u
)
(
5
u
4
)
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Math Problems
Algebra 1
Simplify exponential expressions using the multiplication and division rules
Full solution
Q.
Simplify. Express your answer using positive exponents.
\newline
(
7
u
)
(
2
u
)
(
5
u
4
)
(7u)(2u)(5u^4)
(
7
u
)
(
2
u
)
(
5
u
4
)
Group coefficients and powers:
Step
1
1
1
: Group the coefficients and the powers of
u
u
u
.
$
7
u
\$7u
$7
u
(
2
2
2
u)(
5
5
5
u^
4
4
4
)\) can be rewritten as
(
7
×
2
×
5
)
×
(
u
×
u
×
u
4
)
(7 \times 2 \times 5) \times (u \times u \times u^4)
(
7
×
2
×
5
)
×
(
u
×
u
×
u
4
)
.
Calculate product of coefficients:
Step
2
2
2
: Calculate the product of the coefficients.
7
×
2
×
5
=
14
×
5
=
70
7 \times 2 \times 5 = 14 \times 5 = 70
7
×
2
×
5
=
14
×
5
=
70
.
Combine powers using rule of exponents:
Step
3
3
3
: Use the rule of exponents to combine the powers of
u
u
u
.
u
×
u
×
u
4
=
u
(
1
+
1
+
4
)
=
u
6
u \times u \times u^4 = u^{(1+1+4)} = u^6
u
×
u
×
u
4
=
u
(
1
+
1
+
4
)
=
u
6
.
Combine results from steps:
Step
4
4
4
: Combine the results from steps
2
2
2
and
3
3
3
.
70
∗
u
6
=
70
u
6
70 * u^6 = 70u^6
70
∗
u
6
=
70
u
6
.
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\newline
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\newline
(
h
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Question
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\newline
(
9
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)
(
5
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9
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5
)
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\newline
(
2
v
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(
4
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(
5
v
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2
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Simplify. Express your answer using a single exponent.
\newline
(
5
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)
2
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)
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\newline
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Question
Simplify. Express your answer using positive exponents.
\newline
r
9
⋅
r
8
⋅
r
-
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r
9
⋅
r
8
⋅
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Question
Which expression is equivalent to
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×
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6
×
6
8
?
\newline
Choices:
\newline
1
6
9
\frac{1}{6^9}
6
9
1
\newline
6
8
6^8
6
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\newline
1
6
8
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6
8
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\newline
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