Solve for a4 a_4=3(4)^(4-1)

$a_{4} = 3 {(4)}^{4 - 1}$

Step 1

Subtract $1$ from $4$ .

$a_{4} = 3 \cdot 4^{3}$

Step 2

Raise $4$ to the power of $3$ .

$a_{4} = 3 \cdot 64$

Step 3

Multiply $3$ by $64$ .

$a_{4} = 192$