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OpenStudy (anonymous):
would i do 9P5 like i would a combination?
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OpenStudy (lgbasallote):
kinda close... \[9C5 = \frac{9!}{5!(9-5)!}\] but \[9P5 = \frac{9!}{(9-5)!}\] see the difference?
OpenStudy (anonymous):
gotcha, thank you
OpenStudy (lgbasallote):
welcome
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