Answer
{$\frac{e^{10}}{7}$}, {$3146.6380$}
Work Step by Step
$\ln 7x=10$
$7x=e^{10}$
$x=\frac{e^{10}}{7}\approx3146.6380$
The exact solution is {$\frac{e^{10}}{7}$}, while the solution to four decimal places is {$3146.6380$}.
Algebra: A Combined Approach (4th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321726391
ISBN 13:
978-0-32172-639-1
Chapter 12 - Section 12.7 - Common Logarithms, Natural Logarithms, and Change of Base - Practice - Page 887: 10
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