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

Published by Prentice Hall

# Chapter 7 - Exponents and Exponential Functions - 7-1 Zero and Negative Exponents - Lesson Check - Page 421: 4

#### Answer

$4x^{3}$

#### Work Step by Step

Recall the equation: $a^{-n}= \frac{1}{a^{n}}$. Thus, because x is being raised to a negative power in the denominator, we put x in the numerator raised to a positive power: $4x^{3}$

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