Question

Question 2 (iv)
Find : ${125}^{\frac{-1}{3}}$

Answer 1

$(125{)}^{\frac{-1}{3}}$
$=\frac{1}{(125{)}^{\frac{1}{3}}}$
$=\frac{1}{{\left(5^3\right)}^{\frac{1}{3}}}$
$=\frac{1}{5}$