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24 January, 09:33

Find the 8th term in the geometric sequence which has a first term of 10 and a common ratio of 1.75.

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Answers (2)
  1. 24 January, 13:28
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    A (8) = A (1) * 1.75^ (8-1) = 10 * 1.75^7 = 502.65
  2. 24 January, 13:30
    0
    A = 10

    r = 1.75

    n = 8

    8th term = a * (r) ^n-1

    = 10 * (1.75) ^8-1

    = 10 * (1.75) ^7

    = 10 * 50.265

    = 502.65
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