#### Answer

$\ln{M}=2.2$

#### Work Step by Step

RECALL:
$e^x=y \longrightarrow \ln{y}=x$
Use the rule above to obtain:
$e^{2.2}=M \longrightarrow \ln{M}=2.2$

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Published by
Pearson

ISBN 10:
0-32193-104-1

ISBN 13:
978-0-32193-104-7

$\ln{M}=2.2$

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