Question

22, 66, 198, ...
Find the 8th term.

Answer 1

8th term=48114
Nth term = 22/3 x 3^n

Answer 2

The 8th term will be 48114.

Explanation:

This series is an geometric series.

The formula for the nth term in an geometric series is
`ar^(n-1)`, where a is the first term, r is the ratio (how much each term is multiplied by and n is the term you want to find.

In this question, the 8th term will be
`22*3^7` = 48114