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Mathematics 17 Online
OpenStudy (anonymous):

How many different 4-person subcommittees can be formed from a club having 12 members? Answer (a)990 (b)495 (c)11,880 (d)none of the above

OpenStudy (amistre64):

multiply the first 4 terms, and divide by 4!

OpenStudy (amistre64):

12.11.10.9 --------- 4.3.2 11.5.9 = _____

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