Answer:
Step-by-step explanation:
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For each subset it can either contain or not contain an element. For each element, there are 2 possibilities. Multiplying these together we get 27 or 128 subsets. For generalisation the total number of subsets of a set containing n elements is 2 to the power n.
Answer:
Your answer is -3
Step-by-step explanation:
I had this on a test and i got it
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