Answer
$$22$$
Work Step by Step
Please note that according to the definition of the logarithm, we have $b^{\log_bM}=M$. So we have$$5^{\log_519}+\log_77^3=19+3\log_77=19+3(1)=22.$$
Precalculus (6th Edition) Blitzer
by Blitzer, Robert F.
Published by
Pearson
ISBN 10:
0-13446-914-3
ISBN 13:
978-0-13446-914-0
Chapter 4 - Section 4.4 - Trigonometric Functions of Any Angle - Exercise Set - Page 576: 115
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