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31 May, 13:23

What is the value of the expression 8P4

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  1. 31 May, 13:44
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    1680

    Step-by-step explanation:

    nPr = n! / (n-r) !

    Therefore:

    8P4 = 8! / (8-4) !

    we get;

    = 8!/4!

    = (8*7*6*5*4*3*2*1) / (4*3*2*1)

    = 40,320 / 24

    = 1680
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