# How do you simplify 3x^-2y^4 and write it using only positive exponents?

Oct 7, 2017

$\frac{3 {y}^{4}}{x} ^ 2$
Given $3 {x}^{-} 2 {y}^{4}$
${x}^{-} 2$ can be written as $\left(\frac{1}{x} ^ 2\right)$
$3 \cdot \left(\frac{1}{x} ^ 2\right) \cdot {y}^{4} = \frac{3 {y}^{4}}{x} ^ 2$