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11 January, 13:58

The first term of a geometric sequence is 512

and the common ratio is 1/2 what is the

8th term?

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Answers (1)
  1. 11 January, 16:08
    0
    Step-by-step explanation:

    hello:

    the n-ieme term is : An=A1*r^ (n-1)

    A1 the first term r : the common ratio

    in this exercice : A1 = 512 r = 1/2 n = 8

    A8=512 * (1/2) ^ (8-1) = 512 * (1/2) ^7
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