Counting subsets

Questions (2)

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
1. 2 answers
2. asked by Eleanor
3. 1,036 views
3 questions if you can help me.1. Calculate the number of subsets and the number of proper subsets for the set. {x|x is a day of
1. 2 answers
2. asked by Roger
3. 733 views