Precalculus Examples

$\log_{20} (20^{3})$

Step 1

Use logarithm rules to move $3$ out of the exponent.

$3 \log_{20} (20)$

Step 2

Logarithm base $20$ of $20$ is $1$ .

$3 \cdot 1$

Step 3

Multiply $3$ by $1$ .

$3$

$[\begin{array}{c} x^{2} & \frac{1}{2} \\ \sqrt{π} & \int x d x \end{array}]$