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(
16
81
)
3
4
\left(\frac{16}{81}\right)^{\frac{3}{4}}
(
81
16
)
4
3
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Math Problems
Algebra 2
Evaluate rational exponents
Full solution
Q.
(
16
81
)
3
4
\left(\frac{16}{81}\right)^{\frac{3}{4}}
(
81
16
)
4
3
Identify Base and Exponent:
Identify the base and the exponent in
(
16
81
)
(
3
4
)
\left(\frac{16}{81}\right)^{\left(\frac{3}{4}\right)}
(
81
16
)
(
4
3
)
.
\newline
In
(
16
81
)
(
3
4
)
\left(\frac{16}{81}\right)^{\left(\frac{3}{4}\right)}
(
81
16
)
(
4
3
)
,
\newline
Base:
16
81
\frac{16}{81}
81
16
\newline
Exponent:
3
4
\frac{3}{4}
4
3
Express as Terms to Power:
Express both the numerator and the denominator as terms raised to the power of
4
4
4
.
\newline
16
=
2
×
2
×
2
×
2
16 = 2 \times 2 \times 2 \times 2
16
=
2
×
2
×
2
×
2
\newline
=
2
4
= 2^4
=
2
4
\newline
81
=
3
×
3
×
3
×
3
81 = 3 \times 3 \times 3 \times 3
81
=
3
×
3
×
3
×
3
\newline
=
3
4
= 3^4
=
3
4
Rewrite with Individual Bases:
Rewrite the expression using the individual bases raised to the power of
4
4
4
.
\newline
(
16
81
)
3
4
=
(
2
4
3
4
)
3
4
\left(\frac{16}{81}\right)^{\frac{3}{4}} = \left(\frac{2^4}{3^4}\right)^{\frac{3}{4}}
(
81
16
)
4
3
=
(
3
4
2
4
)
4
3
Apply Exponent Separately:
Apply the exponent to both the numerator and the denominator separately.
\newline
=
(
2
4
)
3
4
/
(
3
4
)
3
4
= (2^4)^{\frac{3}{4}} / (3^4)^{\frac{3}{4}}
=
(
2
4
)
4
3
/
(
3
4
)
4
3
Simplify Exponents:
Simplify the exponents by multiplying them.
\newline
=
2
4
∗
(
3
/
4
)
/
3
4
∗
(
3
/
4
)
= 2^{4*(3/4)} / 3^{4*(3/4)}
=
2
4
∗
(
3/4
)
/
3
4
∗
(
3/4
)
\newline
=
2
3
/
3
3
= 2^3 / 3^3
=
2
3
/
3
3
Calculate Exponent Values:
Calculate the values of the exponents.
\newline
2
3
=
2
×
2
×
2
=
8
2^3 = 2\times2\times2 = 8
2
3
=
2
×
2
×
2
=
8
\newline
3
3
=
3
×
3
×
3
=
27
3^3 = 3\times3\times3 = 27
3
3
=
3
×
3
×
3
=
27
Write Final Simplified Value:
Write the final simplified value.
\newline
=
8
27
= \frac{8}{27}
=
27
8
More problems from Evaluate rational exponents
Question
Simplify.
\newline
8
1
1
2
81^{\frac{1}{2}}
8
1
2
1
\newline
_____________
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\newline
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)
1
/
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(-32)^{1/5}
(
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)
1/5
\newline
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Question
Simplify. Assume all variables are positive.
\newline
w
4
3
w
7
3
\frac{w^{\frac{4}{3}}}{w^{\frac{7}{3}}}
w
3
7
w
3
4
\newline
Write your answer in the form
A
A
A
or
A
B
\frac{A}{B}
B
A
, where
A
A
A
and
B
B
B
are constants or variable expressions that have no variables in common. All exponents in your answer should be positive.
\newline
______
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Posted 9 months ago
Question
Simplify. Assume all variables are positive.
\newline
(
2
r
1
3
)
8
(2r^{\frac{1}{3}})^8
(
2
r
3
1
)
8
\newline
\newline
Write your answer in the form
A
A
A
or
A
B
\frac{A}{B}
B
A
, where
A
A
A
and
B
B
B
are constants or variable expressions that have no variables in common. All exponents in your answer should be positive.
\newline
______
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Posted 9 months ago
Question
Simplify. Assume all variables are positive.
\newline
v
7
4
⋅
v
9
4
v^{\frac{7}{4}} \cdot v^{\frac{9}{4}}
v
4
7
⋅
v
4
9
\newline
\newline
Write your answer in the form
A
A
A
or
A
B
\frac{A}{B}
B
A
, where
A
A
A
and
B
B
B
are constants or variable expressions that have no variables in common. All exponents in your answer should be positive.
\newline
______
\newline
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Posted 9 months ago
Question
Simplify.
\newline
1
1
4
⋅
1
1
4
1^{\frac{1}{4}} \cdot 1^{\frac{1}{4}}
1
4
1
⋅
1
4
1
\newline
______
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Posted 9 months ago
Question
Simplify.
\newline
3
2
(
−
1
/
5
)
32^{(-1/5)}
3
2
(
−
1/5
)
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Posted 1 year ago
Question
Simplify. Assume all variables are positive.
\newline
w
3
2
w
5
2
\frac{w^{\frac{3}{2}}}{w^{\frac{5}{2}}}
w
2
5
w
2
3
\newline
\newline
Write your answer in the form
A
A
A
or
A
B
\frac{A}{B}
B
A
, where
A
A
A
and
B
B
B
are constants or variable expressions that have no variables in common. All exponents in your answer should be positive.
\newline
______
\newline
Get tutor help
Posted 1 year ago
Question
Simplify. Assume all variables are positive.
\newline
(
27
x
)
2
3
(27x)^{\frac{2}{3}}
(
27
x
)
3
2
\newline
\newline
Write your answer in the form
A
A
A
or
A
B
\frac{A}{B}
B
A
, where
A
A
A
and
B
B
B
are constants or variable expressions that have no variables in common. All exponents in your answer should be positive.
\newline
______
Get tutor help
Posted 1 year ago
Question
Simplify. Assume all variables are positive.
\newline
x
1
4
x
11
4
\frac{x^{\frac{1}{4}}}{x^{\frac{11}{4}}}
x
4
11
x
4
1
\newline
\newline
Write your answer in the form
A
A
A
or
A
B
\frac{A}{B}
B
A
, where
A
A
A
and
B
B
B
are constants or variable expressions that have no variables in common. All exponents in your answer should be positive.
\newline
______
\newline
Get tutor help
Posted 1 year ago
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