Precalculus Examples

$\log (20) + \log (200)$

Step 1

Use the product property of logarithms, $\log_{b} (x) + \log_{b} (y) = \log_{b} (x y)$ .

$\log (20 \cdot 200)$

Step 2

Multiply $20$ by $200$ .

$\log (4000)$

Step 3

The result can be shown in multiple forms.

Exact Form:

$\log (4000)$

Decimal Form:

$3.60205999 \dots$