Precalculus Examples

$- 2 \log_{8} (5)$

Step 1

Simplify $- 2 \log_{8} (5)$ by moving $2$ inside the logarithm.

$- \log_{8} (5^{2})$

Step 2

Raise $5$ to the power of $2$ .

$- \log_{8} (25)$

Step 3

The result can be shown in multiple forms.

Exact Form:

$- \log_{8} (25)$

Decimal Form:

$- 1.54795206 \dots$