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: 10

Answer

$\log_{0.4}12=-2.712$

Work Step by Step

$\log_{0.4}12=\frac{\ln12}{\ln0.4}$ Use a calculator. $\log_{0.4}12=-2.712$
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