Precalculus Examples

$\log_{2} (256) - 7 \log_{2} (2)$

Step 1

Logarithm base $2$ of $256$ is $8$ .

$8 - 7 \log_{2} (2)$

Step 2

Logarithm base $2$ of $2$ is $1$ .

$8 - 7 \cdot 1$

Step 3

Multiply $- 7$ by $1$ .

$8 - 7$

Step 4

Subtract $7$ from $8$ .

$1$

$[\begin{array}{c} x^{2} & \frac{1}{2} \\ \sqrt{π} & \int x d x \end{array}]$