Solve for a2 a_2=(-1)^2*2^2

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

Step 1

Raise $- 1$ to the power of $2$ .

$a_{2} = 1 \cdot 2^{2}$

Step 2

Multiply $2^{2}$ by $1$ .

$a_{2} = 2^{2}$

Step 3

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

$a_{2} = 4$