Precalculus Examples

$\log (\frac{1}{7})$

Step 1

Rewrite $\log (\frac{1}{7})$ as $\log (1) - \log (7)$ .

$\log (1) - \log (7)$

Step 2

Logarithm base $10$ of $1$ is $0$ .

$0 - \log (7)$

Step 3

Subtract $\log (7)$ from $0$ .

$- \log (7)$