Precalculus Examples

$2 \log ({(2)}^{7})$

Step 1

Raise $2$ to the power of $7$ .

$2 \log (128)$

Step 2

Simplify $2 \log (128)$ by moving $2$ inside the logarithm.

$\log (128^{2})$

Step 3

Raise $128$ to the power of $2$ .

$\log (16384)$

Step 4

The result can be shown in multiple forms.

Exact Form:

$\log (16384)$

Decimal Form:

$4.21441993 \dots$