Question

Help with the algebra expression.

Answer 1

$3^{mn} ^{2} \sqrt{n}$

Answer 2

We can rewrite a cube root into a fractional index form.
So, we can rewrite:
$\sqrt[3]{m^{2}n^{5}} = (m^{2}n^{5})^{\frac{1}{3}$
$= m^{\frac{2}{3}} \cdot n^{\frac{5}{3}}$