# math

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Assume that the set S has 14 elements.
How many subsets of S have at most 4 elements?

• math -

null set --- 1
one element --- C(14,1) = 14
two elements --- C(14,2) = 91
three elements --- C(14,3) = 364
four elements --- C(14,4) = 1001

• math -

^no, I just tried it and it isn't right. any other suggestions?

• math -

Got it:

I hate webwork.......

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