SOLUTION: what is the number of subsets of set B = {12, 14, 16, 18, 20, 22, 24, 26, 28}?

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Question 394329: what is the number of subsets of set B = {12, 14, 16, 18, 20, 22, 24, 26, 28}?
Answer by jim_thompson5910(35256) About Me  (Show Source):
You can put this solution on YOUR website!
Rule: If there are 'n' elements in a set, then there are 2%5En subsets.


In this case, n=9 because there are 9 elements in set B


So set B has 2%5E9=512 subsets. Normally we would check by listing all of the subsets, but there are way too many.


If you need more help, email me at jim_thompson5910@hotmail.com

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Jim