How many subsets does set A have if the set A has 3 elements?

Question

Mathematics

Savanna Chang

10 November, 01:32

How many subsets does set A have if the set A has 3 elements?

+2

Answers (1)

Know the Answer?

Amy · Answer 1

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.