## Algebra 2 Common Core

$10$
Recall: $\log_a{\left(a^n\right)}=n$ Using the rule above, and knowing the natural logarithms has base $e$, gives: \begin{align*} \ln{\left(e^{10}\right)}&=\log_e{\left(e^{10}\right)}\\ &=10 \end{align*}