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26 August, 00:31

Brainliest Write the sum using summation notation, assuming the suggested pattern continues. 2 - 8 + 32 - 128 + ... summation of 2 times 4 to the power of the quantity n plus 1 from n equals 0 to infinity summation of 2 times negative 4 to the power of the quantity n minus 1 from n equals 0 to infinity summation of 2 times negative 4 to the power of n from n equals 0 to infinity summation of 2 times 4 to the power of n from n equals 0 to infinity

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  1. 26 August, 02:13
    0
    It's the first choice.

    Step-by-step explanation:

    The common ratio is - 6/2 = 18/-6 = - 3.

    2 * (-3) ^0 = 2*1 = 2.

    2 * (-3) ^1 = - 6

    2 * (-3) ^2 = 18

    2 * (-3) ^3 = - 54.

    So in summation notation is



    ∑ 2 (-3) ^n

    n=0
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