Question

Find the fifth term in the geometric

sequence, given the first term and
the common ratio.
az = 2 and r = 3

Answer 1

a₅ = 162

Explanation:

The nth term in the geometric sequence:
`a_n=a_1\cdt r^(n-1)`

a₁ = 2 and r = 3

So:

`a_5=a_1\cdot r^4=2\cdot3^4 = 2\cdot81=162`