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12 December, 22:03

Find the sum of the first n terms.

100+50+25 + ... (8 terms)

(round to nearest hundredth)

Formula: a-a*r^n/1-r

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Answers (1)
  1. 13 December, 00:41
    0
    S (8) = ((100 * (1 - (50:100) ^ (8)) : (1-50:100)))

    =199.22
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