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18 September, 00:54

If r=0.5 and a6=0.03125 what is the value of a1?

+5
Answers (2)
  1. 18 September, 01:12
    0
    I guess this is a geometric series:

    a6 = a1 * r^5 so

    a1 = 0.03125 / 0.5^5

    = 1 answer
  2. 18 September, 01:21
    0
    I would say 1 is your answer
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