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  • 01-03-2017
  • Mathematics
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How many subsets does set A have if the set A has 3 elements?

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Аноним Аноним
  • 01-03-2017
The formula is 2number of elements in the set This set {1,2,3} has 3 elements, so the number of subsets is gotten by substituting 3 for the number of elements in the set: 2number of elements in the set = 23 = 2x2x2 = 8 So there are 8 subsets. They are 1. { } or ∅, the empty set, sometimes called the "null" set. 2.
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