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20 February, 11:26

What is the common ratio for the

sequence 20,10,5,2.5, ... ?

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Answers (2)
  1. 20 February, 13:44
    0
    12 always constant for
  2. 20 February, 13:51
    0
    Geometric Sequence 20, 10, 5, 2.5, ...

    First term, a 20

    Common ratio, r

    10 : 20 = 0.5 5 : 10 = 0.5 etc.
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