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Which of the following is equivalent to [tex]\sqrt[5]{13^3}[/tex]?

A. [tex]13^2[/tex]
B. 1315
C. [tex]13^{\frac{5}{3}}[/tex]
D. [tex]13^{\frac{3}{5}}[/tex]


Sagot :

To determine which expression is equivalent to [tex]\(\sqrt[5]{13^3}\)[/tex], let's break it down step by step:

1. Understand the given expression:
[tex]\[ \sqrt[5]{13^3} \][/tex]

2. Express using exponents:
The fifth root of a number can be written as an exponent of [tex]\(\frac{1}{5}\)[/tex].
[tex]\[ \sqrt[5]{13^3} = (13^3)^{\frac{1}{5}} \][/tex]

3. Simplify using the power rule for exponents:
[tex]\[ (13^3)^{\frac{1}{5}} = 13^{3 \cdot \frac{1}{5}} = 13^{\frac{3}{5}} \][/tex]

Thus, the expression [tex]\(\sqrt[5]{13^3}\)[/tex] simplifies to [tex]\(13^{\frac{3}{5}}\)[/tex].

Given the options:
- [tex]\(13^2\)[/tex]
- 1315
- [tex]\(13^{\frac{5}{3}}\)[/tex]
- [tex]\(13^{\frac{3}{5}}\)[/tex]

The correct equivalent expression is:
[tex]\[ 13^{\frac{3}{5}} \][/tex]

So, the answer is [tex]\(13^{\frac{3}{5}}\)[/tex].