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26 February, 23:51

What is the fifth term in the geometric sequence described by this explicit formula y=40 * (-2) ^ (n-1)

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  1. 26 February, 23:57
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    The fifth term is 620

    Step-by-step explanation:

    y=40 * (-2) ^ (n-1)

    The 5th terms means n=5

    y = 40 * (-2) ^ (5-1)

    = 40 * (-2) ^4

    = 40 * (16)

    = 640
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