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10 August, 14:18

What is the 7th term of the geometric sequence where a1 = 1,024 and a4 = - 16?

A. 1 B. - 0.25 C. - 1 D. 0.25

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  1. 10 August, 14:21
    0
    An=1024 * - 0.25^n-1

    an=1024*-0.25^6

    an=1024*-0.00024

    an=-0.25 which is B
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