Algebra Examples

$a_{n} = 2 {(4)}^{n}$

Step 1

Substitute in the value of $n$ to find the $n$ th term.

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

Step 2

Evaluate the exponent.

$a_{1} = 2 \cdot 4$

Step 3

Multiply $2$ by $4$ .

$a_{1} = 8$