## College Algebra (10th Edition)

$\ln{(e^3)} = 3$
Let $\ln{(e^3)}=y$ RECALL: $\ln{x} = y \longrightarrow e^y=x$ Use the rule above to obtain: $\ln{e^3} = y \longrightarrow e^y=e^3$ Use the rule "$a^m=a^n \longrightarrow m=n$" to obtain: $y= 3$ Thus, $\ln{(e^3)} = 3$