Posted by **pooja** on Thursday, February 7, 2013 at 4:32pm.

what is the common ratio for this geometric series?

15

11

7

3

.5

- math -
**Steve**, Thursday, February 7, 2013 at 4:45pm
The sequence

15,11,7,3,.5

is not geometric. The ratio between terms is not constant

11/15 ≠ 7/11 ≠ 3/7 ≠ .5/3

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