SOLUTION: what is the ratio of the geometric sequence: 0.5, -0.1, 0.002, -0.004, 0.0008, ...?

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Question 914980: what is the ratio of the geometric sequence: 0.5, -0.1, 0.002, -0.004, 0.0008, ...?
Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
It is not a geometric sequence
There is more than one ratio.
Sometimes it is -2 and sometimes it is -0.2 and sometimes -.02