Question

Find the value of a^4 for this geometric series

Answer 1

6

Explanation:

a_4 means the 4th term of the series.

n = 4

`(2)/(9)(3)^(n - 1) =`

`= (2)/(9)(3)^(4 - 1)`

`= (2)/(9)(3)^(3)`

`= (2)/(9) * 27`

`= 2 * (27)/(9)`

`= 2 * 3`

`= 6`