Question

What is the common ratio of the geometric sequence? 1/18, 13, 2, 12, 72, ...

Answer 1

That's probably a 1/3 there. The common ratio is 6:

`(1/3)/(1/18) = 6`

`(2)/(1/3) = 6`

`(12)/(2) = 6`

`(72)/(12) = 6`

Common ratio: 6