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OpenStudy (anonymous):
help!??!? How many different ways can a family of four sit at a rectangular dinner table with one person at each side? A. 4 ways B. 12 ways C. 16 ways D. 24 ways
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OpenStudy (anonymous):
shouldn't it be 4! :)
OpenStudy (anonymous):
i mean 4! that's 24
OpenStudy (anonymous):
i had thought it would be like circular permutation but then its n-1 ! and i guess this 1 is right n! n-r! 4! 4-4! still 24
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