19.8k views
1 vote
Find the 5th term of the
sequence: 2, -6, 18, -54...

User Nelek
by
4.8k points

2 Answers

6 votes

Answer:

162 5th term

Explanation:

User Elan Hamburger
by
5.3k points
1 vote

Answer:

5th term =162

Explanation:

It is a geometric progression whose nth term = ar^n-1

Where a = 1st term =2

r=ratio of two term= -6/2=-3

n =nth term

So 5th term= 2x-3^5-1

=2x-3^4

=2x81=162 answer

User SBF
by
5.3k points
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.