Algebra Examples

$a_{5} = 5 \cdot 2^{(5 - 1)}$

Step 1

Subtract $1$ from $5$ .

$a_{5} = 5 \cdot 2^{4}$

Step 2

Raise $2$ to the power of $4$ .

$a_{5} = 5 \cdot 16$

Step 3

Multiply $5$ by $16$ .

$a_{5} = 80$

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