Write with Rational (Fractional) Exponents cube root of 27y^15

$\sqrt[3]{27 y^{15}}$

Use $\sqrt[n]{a^{x}} = a^{\frac{x}{n}}$ to rewrite $\sqrt[3]{27 y^{15}}$ as ${(27 y^{15})}^{\frac{1}{3}}$ .

${(27 y^{15})}^{\frac{1}{3}}$