## Algebra 1: Common Core (15th Edition)

$\frac{1}{a^2}$
You are given $\frac{a^4}{a^6}$.Simplify the expression: $a^{4-6}$ -since you are dividing power with the same base you subtract the exponents- $a^{-2}$ -use the exponent rule $x^{-y}$=$\frac{1}{x^y}$ =$\frac{1}{a^2}$