How do you rewrite x^-2y^3 using positive exponents?

${y}^{3} / {x}^{2}$
$\text{using the "color(blue)"law of exponents}$
•color(white)(x)a^-mhArr1/a^m
$\Rightarrow {x}^{-} 2 {y}^{3} = \frac{1}{x} ^ 2 {y}^{3} = {y}^{3} / {x}^{2}$