How do you recognize and complete a geometric sequence?

Question- How do you recognize and complete a geometric sequence?

Answer- A geometric sequence is a sequence of numbers that follows a pattern were the next term is found by multiplying by a constant called the common ratio, r. Write the first five terms of a geometric sequence in which a1=2 and r=3.

if you are saying purchasing 3 social media ads and one newspaper ad counts as one purchase then there are:

6 purchases

if you are asking how many of each then:

18 social media ads

6 newspaper ads