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If a =(1 2 3 4 5 then the number subsets a is ​

User Emilles
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Answer:

Every choice doubles the number of subsets previously built, so the 4 subsets of {1,2} become 8 when we think of subsets of {1,2,3}. Then 16, and finally 32 subsets for {1,..5}.

Explanation:

hopefully this helps!

User Stephan Steiner
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