# How do you simplify #(-216)^(2/3)?

${\left(- 216\right)}^{\frac{2}{3}}$
= ${\left({\left(- 216\right)}^{\frac{1}{3}}\right)}^{2}$
= ${\left(- 6\right)}^{2}$
= $\left(- 6\right) \cdot \left(- 6\right)$
= $36$