Intermediate Algebra for College Students (7th Edition)

Published by Pearson
ISBN 10: 0-13417-894-7
ISBN 13: 978-0-13417-894-3

Chapter 9 - Section 9.5 - Exponential and Logarithmic Equations - Exercise Set: 47

Answer

$x=100$

Work Step by Step

The given expression involves common logarithm. Common logarithm has a base of $10$. RECALL: $\log_b{x}= y \longrightarrow b^y=x$ Use the rule above with $b=10$ to obtain: $10^2=x \\100=x$
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