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Mathematics 11 Online
OpenStudy (anonymous):

What is the value of 7P5? A.5040 B.2520 C.42 D.21

OpenStudy (anonymous):

please explain not sure what to do

OpenStudy (hoblos):

nPr = n!/(n-r)! apply this formula

OpenStudy (anonymous):

yeah its a permutation prob

OpenStudy (hoblos):

7P5 = 7!/(7-5)! = 7!/2! = ..

OpenStudy (anonymous):

ok thanks i got it! :D

OpenStudy (anonymous):

Do you want an example?

OpenStudy (anonymous):

oh nm lol

OpenStudy (anonymous):

ya i got it but thanks any way ;)

OpenStudy (anonymous):

no prob :)

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