SOLUTION: How many different subsets are there of a set with 20 elements?

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Question 427979: How many different subsets are there of a set with 20 elements?
Found 2 solutions by robertb, John10:
Answer by robertb(5830) About Me  (Show Source):
Answer by John10(297) About Me  (Show Source):
You can put this solution on YOUR website!
By the subset rule: If the set has n elements, it will have 2^n subsets.
For your problem, there are 20 elements, it will have 2^20 subsets.
You can find the exact solution by your calculator.
Hope it will help you!John10