Question

Simplify :

${\left(\frac{1}{27}\right)}^{\frac{-2}{3}}$

Answer 1

${\left(\frac{1}{27}\right)}^{\frac{-2}{3}}$

$={\left(27\right)}^{\frac{2}{3}}$

$={\left(\sqrt[3]{327}\right)}^2$

$=3^2$

$=9$