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Answer:

Explanation:
The expression you show evaluates to (5/n)(4) = 20/n. Since you're referring to rational exponents, we assume you want to rewrite ...
![\sqrt[5]{n^4}](https://img.qammunity.org/2022/formulas/mathematics/high-school/8ytfdyplkb1i4o6sar358b35dzi1n6u5h1.png)
A root index is the same as a fractional exponent with that index in the denominator. Then this expression is rewritten as ...
![\sqrt[5]{n^4}=(n^4)^{(1)/(5)}=\boxed{n^{(4)/(5)}}](https://img.qammunity.org/2022/formulas/mathematics/high-school/msjeqgye9gzey9w2fv24c3kwjymyhrde4k.png)