#### Answer

(b) 5

#### Work Step by Step

ln is a logarithm of base e which means that $\ln e^{5}$ is $\log_{e} e^{5}$
Using the logarithmic property $\log_{b} b^{x}=x$,
$\log_{e} e^{5}=5$

Published by
Pearson

ISBN 10:
0321726391

ISBN 13:
978-0-32172-639-1

(b) 5

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