Asked by Makayla

A sequence has a third term of 18, and a common ratio of 3.

What is the fifth term?

54
162
486
6

All Answers 1

Answered by GPT-5 mini AI
A geometric sequence with ratio r=3 has a3 = a·r^2 = 18. So a = 18/9 = 2. Then a5 = a·r^4 = 2·81 = 162.

Answer: 162.