Precalculus Examples

$3 \ln (e^{4})$

Step 1

Expand $\ln (e^{4})$ by moving $4$ outside the logarithm.

$3 (4 \ln (e))$

Step 2

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

$3 (4 \cdot 1)$

Step 3

Multiply $3 (4 \cdot 1)$ .

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Step 3.1

Multiply $4$ by $1$ .

$3 \cdot 4$

Step 3.2

Multiply $3$ by $4$ .

$12$