Posted by **Eleanor** on Thursday, February 19, 2009 at 6:27pm.

Assume that the set S has 10 elements.

How many subsets of S have at most 4 elements?

This question is from the section in my book called "Counting Partitions: Combinations." I would greatly appreciate any help! Thanks!

- Combinations - Math -
**Writeacher**, Thursday, February 19, 2009 at 6:31pm
assistance needed

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