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OpenStudy (anonymous):
What is the value of 7P5? A.5040 B.2520 C.42 D.21
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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
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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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