Precalculus Examples

$\ln (e^{4.5})$

Step 1

Expand $\ln (e^{4.5})$ by moving $4.5$ outside the logarithm.

$4.5 \ln (e)$

Step 2

The natural logarithm of $e$ is $1$ .

$4.5 \cdot 1$

Step 3

Multiply $4.5$ by $1$ .

$4.5$