Answer
3
Work Step by Step
For any positive real number $b$ (such that $b\ne1$), we know that $log_{b}b^{r}=r$ (as long as $r\gt0$).
For $log_{3}27$:
We know that $3^{3}=27$, so we can replace 27 with $3^{3}$.
Therefore, $log_{3}27=log_{3}3^{3}=3$.
