Sa5tuqalangi4nabdula Sa5tuqalangi4nabdula

15-05-2016
Mathematics

contestada

Calculate 10P7.

A. 720
B. 70
C. 3
D. 604,800

Respuesta :

Panoyin Panoyin

15-05-2016

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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