Precalculus Examples

$\frac{\log (3)}{\log (0.4)}$

Step 1

Log base $10$ of $0.4$ is approximately $- 0.39794$ .

$\frac{\log (3)}{- 0.39794}$

Step 2

Move the negative in front of the fraction.

$- \frac{\log (3)}{0.39794}$

Step 3

Log base $10$ of $3$ is approximately $0.47712125$ .

$- \frac{0.47712125}{0.39794}$

Step 4

Divide $0.47712125$ by $0.39794$ .

$- 1 \cdot 1.19897784$

Step 5

Multiply $- 1$ by $1.19897784$ .

$- 1.19897784$