Algebra and Trigonometry 10th Edition

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

Chapter 5 - 5.2 - Logarithmic Functions and Their Graphs - 5.2 Exercises - Page 379: 62



Work Step by Step

$\frac{1}{e^2}=(\frac{1}{e})^2=e^{-2}$ $\ln\frac{1}{e^2}=\ln e^{-2}~~$ (Use the Inverse Property, page 375: $e^{\ln x}=x$): $\ln\frac{1}{e^2}=-2$
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