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28 September, 08:48

Find the 15th term of the geometric sequence 4, 8, 16, ... 4,8,16, ...

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  1. 28 September, 12:13
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    Step-by-step explanation:

    Tn = ar^ (n-1)

    a = 4, r = 8/4 = 2 for n = 15

    T15 = 4 * 2^ (15-1)

    = 4 * 2^14

    = 4 * 16384

    = 65536
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