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6 April, 07:10

What expression is equivalent to 120?

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Answers (1)
  1. 6 April, 09:38
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    5! and 6p3

    Step-by-step explanation:

    5! = 5*4*3*2*1 = 120

    6p3 = n! / (n-r) !

    where n = 6

    and r = 3

    6p3 = 6! / (6-3) !

    = 6*5*4*3*2*1/3*2*1

    = 120
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