Algebra and Trigonometry 10th Edition

Published by Cengage Learning
ISBN 10: 9781337271172
ISBN 13: 978-1-33727-117-2

Chapter 5 - 5.3 - Properties of Logarithms - 5.3 Exercises - Page 385: 35

Answer

-1.65

Work Step by Step

Using the rules of logarithms, we find: $$=log_b (5^{-2} ) \\ =-2 log_b(5) \\ = -1.65$$
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