Algebra Examples

$a_{n} = 2^{n + 1}$

Step 1

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

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

Step 2

Add $1$ and $1$ .

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

Step 3

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

$a_{1} = 4$