Answer
$18.1994$
Work Step by Step
We are given that $2 \ln 3x=8$
$\ln 3x=4$
Use rule: $\log{a^n}=n \log a $
So, $3x=e^4$
or, $ x=\dfrac{e^4}{3} \approx 18.1994$
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 3 - Test - Page 515: 16
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