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14 October, 00:10

Evaluate C (7, 3). 4 35 70

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  1. 14 October, 00:24
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    option B

    35

    Step-by-step explanation:

    Combinations are a way to calculate the total outcomes of an event where order of the outcomes does not matter.

    Formula to calculate combination

    nCr = n! / r! * (n - r) !

    We are given C (7,3)

    here n = 7

    r = 3

    So plug values in the formula

    7C3 = 7! / 3! * (7 - 3) !

    = (7x6x5x4x3x2) / (3x2) (4x3x2)

    = (7x6x5) / (3x2)

    = 210 / 6

    = 35
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