$a){\left(-2\right)}^3=-8,\text{zatem}\sqrt[3]{-8}=-2$

$b){\left(-3\right)}^3=-27,\text{zatem}\sqrt[3]{-27}=-3$

$c){\left(-3\right)}^5=-243,\text{zatem}\sqrt[5]{-243}=-3$

$d){\left(-2\right)}^9=-512,\text{zatem}\sqrt[9]{-512}=-2$