Answer
$10$
Work Step by Step
Recall:
$\log_a{\left(a\right)}=1$
Using the rule above, and knowing the natural logarithms has base $e$, gives:
\begin{align*}
10\ln{\left(e\right)}&=10\log_e{\left(e\right)}\\
&=10(1)\\
&=10
\end{align*}
Algebra 2 Common Core
by Hall, Prentice
Published by
Prentice Hall
ISBN 10:
0133186024
ISBN 13:
978-0-13318-602-4
Chapter 7 - Exponential and Logarithmic Functions - 7-6 Natural Logarithms - Practice and Problem-Solving Exercises - Page 481: 49
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