Intermediate Algebra for College Students (7th Edition)

Published by Pearson
ISBN 10: 0-13417-894-7
ISBN 13: 978-0-13417-894-3

Chapter 9 - Section 9.5 - Exponential and Logarithmic Equations - Exercise Set - Page 727: 57


$x \approx 0.05$

Work Step by Step

RECALL: $\ln{x}= y \longrightarrow e^y=x$ Use the rule above to obtain: $e^{-3}=x \\\dfrac{1}{e^3}=x$ Use a calculator to obtain: $x=\dfrac{1}{e^3} \\x=0.04978706837 \\x \approx 0.05$
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