Solve for a4 a_4=2(5)^(4-1)

$a_{4} = 2 {(5)}^{4 - 1}$

Step 1

Subtract $1$ from $4$ .

$a_{4} = 2 \cdot 5^{3}$

Step 2

Raise $5$ to the power of $3$ .

$a_{4} = 2 \cdot 125$

Step 3

Multiply $2$ by $125$ .

$a_{4} = 250$