## College Algebra (6th Edition)

Published by Pearson

# Chapter 4 - Exponential and Logarithmic Functions - Exercise Set 4.2: 82

3

#### Work Step by Step

We know that the logarithmic function of base 10, or the common logarithmic function, can be written as $f(x)=log_{10}x$ or as $f(x)=log x$. Therefore, $log 1000=log_{10}1000=3$, because $10^{3}=1000$.

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