SOLUTION: How many subsets does A = {a, b, 3, 5, 8, g, %} have? How many of them are proper and how many are improper?

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Question 1061448: How many subsets does A = {a, b, 3, 5, 8, g, %} have? How many of them are proper and how many are improper?
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
Since there are 7 elements, there are 2%5E7 or 128 subsets.
One of them is improper {a,b,3,5,8,g,%}, all the others are proper.