Find the sum of the first eight terms of the G.P 2,6,18,54...

4 answers

As with all GPs,
Sn = a(r^n - 1)/(r-1)
So plug in your numbers.
Find the sun of the eight term of the G.P2,6,18
I need answer to the question
Given GP as 2, 6, 18,......, find the eight term of the GP