Answer
$\sqrt[5] {rs^{2}}$
Work Step by Step
Step 1: The denominator of the exponent becomes the radical’s index. The numerator, on the other hand, remains the exponent of the variable.
Step 2: Therefore, $r^{\frac{1}{5}}s^{\frac{2}{5}}=(rs^{2})^{\frac{1}{5}}=\sqrt[5] {rs^{2}}$.