# Chapter 7 - Exponents and Exponential Functions - Chapter Review - Page 476: 42

$\frac{1}{w^3}$

#### Work Step by Step

You have the expression:$\frac{w^2}{w^5}$. Simplify the expression: $w^{2-5}$ -subtract the exponents because you are dividing powers with the same base- $w^{-3}$ -Use the rule that $a^{-b}$=$\frac{1}{a^b}$- =$\frac{1}{w^3}$

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