If a set has 63 proper subsets, then it contains _____ elements.
8
6
5
1
If a set has 7 proper subsets, then it contains ____ elements.
If a set has 63 proper subsets, then it contains___ elements.
If a set has 8 subsets, then it contains ___ elements
If a set has 7 proper subsets, then it contains ___ elements.