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Mathematics 24 Online
OpenStudy (anonymous):

What is the 10th term of the sequence 625, 125, 25, ...?

OpenStudy (kobeni-chan):

Each number goes does when divided by 5. You'll have 5, 1/5, 1/25, 1/125, etc.

OpenStudy (aum):

This is a geometric sequence. What is the common ratio?

OpenStudy (aum):

The terms are decreasing. So the answer has to be a small number, a fraction.

OpenStudy (anonymous):

is it 1/3125????

OpenStudy (aum):

Yes.

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