SOLUTION: without writing them all out, what is the number of subsets of set A={king, queen, knight, prince, princess, duke, earl}?

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Question 292477: without writing them all out, what is the number of subsets of set A={king, queen, knight, prince, princess, duke, earl}?
Answer by jim_thompson5910(35256) About Me  (Show Source):
You can put this solution on YOUR website!
Hint: The number of all subsets of a set with 'n' elements is equal to 2%5En. For instance, a set with 3 elements will have a total of 2%5E3=8 subsets.