U={1,2,3,4,5,6,7,8,9,10}

How many 5-element subsets does U have?

I know how to calculate total number of subsets but I can't find the formula for this question in my notes. Any help would be greatly appreciated.

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- October 14th 2008, 05:40 AMgraffitihead[SOLVED] subset quantities
U={1,2,3,4,5,6,7,8,9,10}

How many 5-element subsets does U have?

I know how to calculate total number of subsets but I can't find the formula for this question in my notes. Any help would be greatly appreciated. - October 14th 2008, 05:49 AMPlato