Question 570672: Let A = {1, 2, 3, 4, 5, 6, 7}. How many subsets does A have?
Answer by stanbon(75887)   (Show Source):
You can put this solution on YOUR website! Let A = {1, 2, 3, 4, 5, 6, 7}. How many subsets does A have?
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Each element of "A" is either in or not in any given subset.
So there are 2^7 = 128 subsets
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Cheers,
Stan H.
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