SOLUTION: a set has 9 elements
a) how many subsets does it have?
b) how many proper subsets does it have?
so confused please help
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-> SOLUTION: a set has 9 elements
a) how many subsets does it have?
b) how many proper subsets does it have?
so confused please help
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Question 84874: a set has 9 elements
a) how many subsets does it have?
b) how many proper subsets does it have?
so confused please help Answer by rapaljer(4671) (Show Source):
You can put this solution on YOUR website! The number of subsets is always 2 raised to the power of the number of elements in the set. In this case, the answer is .
The number of proper subsets is always 1 less than the number of subsets, since a proper subset is any subset except the set itself! In this case, the answer is .
