# How do you simplify (y^5)^(1/2)?

Use the rule for exponents: $\textcolor{red}{{\left({x}^{a}\right)}^{b} = {x}^{a \cdot b}}$
${\left({y}^{5}\right)}^{1} / 2 = {y}^{5 \cdot \frac{1}{2}} = {y}^{\frac{5}{2}}$