Algebra Examples

$- 1 {(\frac{1}{3})}^{n - 1}$

Step 1

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

$a_{2} = - 1 {(\frac{1}{3})}^{(2) - 1}$

Step 2

Subtract $1$ from $2$ .

$a_{2} = - 1 (\frac{1}{3})$

Step 3

Rewrite $- 1 (\frac{1}{3})$ as $- (\frac{1}{3})$ .

$a_{2} = - \frac{1}{3}$