Question

Find the cube root of $\frac{-512}{1000}$

Answer 1

$-512=\underset{}{-8\times -8\times -8}$
$\sqrt[3]{3-512}=-8$
$1000=5\times 5\times 5\times 2\times 2\times 2$
$\sqrt[3]{31000}=10$
$\sqrt[3]{3\frac{-512}{1000}}=\frac{-8}{10}$
$\sqrt[3]{3\frac{-512}{1000}}=\frac{-4}{5}$