## Precalculus (6th Edition) Blitzer

Published by Pearson

# Chapter 3 - Section 3.2 - Exponential Functions - Exercise Set - Page 463: 10

#### Answer

$\log_5{625}=4$

#### Work Step by Step

RECALL: $b^y=x \longleftrightarrow \log_b{x} =y .$ Use the definition above to obtain $5^4 = 625 \longrightarrow \log_5{625}=4.$ Thus, the equivalent logarithmic form of the given expression is $\log_5{625}=4.$

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