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31 October, 07:07

Find the ninth term of the geometric sequence if a1 = 7 and r = 2

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  1. 31 October, 07:23
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    For the geometric sequence:

    a n = a 1 * r^ (n-1)

    a 1 = 7

    r = 2

    a 9 = a 1 * r^8 =

    = 7 * 2^8 = 7 * 256 = 1,792

    Answer:

    The ninth term of the geometric sequence is 1,792.
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