Answer
$1.1674$
Work Step by Step
Use a scientific calculator, we have $log_9(13)=\frac{log13}{log9}\approx1.1674$
Precalculus (6th Edition)
by Lial, Margaret L.; Hornsby, John; Schneider, David I.; Daniels, Callie
Published by
Pearson
ISBN 10:
013421742X
ISBN 13:
978-0-13421-742-0
Chapter 4 - Inverse, Exponential, and Logarithmic Functions - Test - Page 496: 9
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