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Mathematics 7 Online
OpenStudy (anonymous):

there are 17 students in fertainy. In how many ways can a comminute of 6 be selected?

OpenStudy (amistre64):

17.16.15.14.13.12 right?

OpenStudy (anonymous):

8910720?

OpenStudy (amistre64):

8,910,720

OpenStudy (amistre64):

the quick way as 17!/(17-6)!

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