Question

what is the common ration of this sequence (0,3), (1, 3.6), (2, 4.32), (3, 5.184)

Answer 1

Compute successive ratios: 3.6/3 = 1.2, 4.32/3.6 = 1.2, 5.184/4.32 = 1.2.

So the common ratio is 1.2 (which is 6/5). The nth term is a_n = 3*(1.2)^n.