Answer
y
Work Step by Step
$\sqrt[5] (y^{5})=y$
We know that $\sqrt[5] (y^{5})=y$ because $(y^{5})^\frac{1}{5}=(y)^{5\times\frac{1}{5}}=y$
We do not need absolute value bars around the result, because the index of the radical is odd in this case.