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Mathematics 10 Online
OpenStudy (anonymous):

A. 56 B. 6,720 C. 40,320 D. 1

OpenStudy (anonymous):

OpenStudy (anonymous):

@hoblos

OpenStudy (hoblos):

aCb = a!/b!(a-b)! so 8C5 = 8!/5!(8-5)! do you know what x! is ?

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