Question

PLEASE HELP!!

5 1 5.1 0.51 0.051

If it is a geometric sequence choose the common ratio if it not a geometric sequence choose "not geometric"

A. 0.1

B. 10

C. 0.451

D. not geometric

Answer 1

I would say a or c.

Answer 2

This is a geometric series, since the numbers decrease by a factor of 0.1 each time. The answer is A. 0.1