Precalculus Examples

$10 \log (10^{7})$

Step 1

Use logarithm rules to move $7$ out of the exponent.

$10 (7 \log (10))$

Step 2

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

$10 (7 \cdot 1)$

Step 3

Multiply $7$ by $1$ .

$10 \cdot 7$

Step 4

Multiply $10$ by $7$ .

$70$