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2 December, 11:59

Calculate 10P7.

A. 720

B. 70

C. 3

D. 604,800

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Answers (1)
  1. 2 December, 14:27
    0
    P (10, 7) = 10! / (10 - 7) !

    P (10, 7) = 10!/3!

    P (10, 7) = (10✖️9✖️8✖️7✖️6✖️5✖️4✖️3✖️2✖️1) / (3✖️2✖️1)

    P (10, 7) = 10✖️9✖️8✖️7✖️6✖️5✖️4

    P (10, 7) = 90✖️56✖️30✖️4

    P (10, 7) = 5,040✖️120

    P (10, 7) = 604,800
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