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

Published by Prentice Hall

# Chapter 7 - Exponents and Exponential Functions - 7-1 Zero and Negative Exponents - Practice and Problem-Solving Exercises: 21

4a

#### Work Step by Step

Recall, anything raised to the zeroth power is 1. Thus, the expression $b^{0}$ simplifies to the number 1. This leaves us with the expression 4a.

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