# How do you simplify 3x^-2y^-5 and write it using only positive exponents?

$3 {x}^{- 2} {y}^{- 5} = \frac{3}{{x}^{2} {y}^{5}}$

#### Explanation:

To do this, remember that:

${x}^{- y} = \frac{1}{{x}^{y}}$

So we can state that:

$3 {x}^{- 2} {y}^{- 5} = \frac{3}{{x}^{2} {y}^{5}}$