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Mathematics 20 Online
OpenStudy (anonymous):

Seven figs will be selected from a group of 11, in how many ways can this be done?

OpenStudy (rulnick):

11 ! / ( 7! 4! ) = 11 (10) (9) (8) / ( (4) (3) (2) (1) )

OpenStudy (rulnick):

Ans. 330

OpenStudy (anonymous):

thanks :)

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