# How do you simplify 2x^-2y^4 and write it using only positive exponents?

Mar 3, 2017

$2 {\left({y}^{2} / x\right)}^{2}$
$2 {x}^{-} 2 {y}^{4} = 2 \cdot {y}^{4} / {x}^{2}$
$= 2 \cdot {\left({y}^{2} / x\right)}^{2}$
$= 2 {\left({y}^{2} / x\right)}^{2}$