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Mathematics 18 Online
OpenStudy (anonymous):

P(9, 4) = 362,880 15,120 3,024 126

ganeshie8 (ganeshie8):

familair with factorials ?

ganeshie8 (ganeshie8):

\[\large P(n,r) = \dfrac{n!}{(n-r)!}\]

OpenStudy (anonymous):

i got 3,024

ganeshie8 (ganeshie8):

thats right!

OpenStudy (anonymous):

ok ty.

ganeshie8 (ganeshie8):

yw

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