Question

formula to find number of subsets​

Answer 1

Answer:

If a set has 1 element, then it has 2^1 = 2 subsets, namely itself and the null set. If a set has 2 elements, then it has 2^2 = 4 subsets. If a set has 3 elements, then it has 2^3 = 8 subsets. In general, if a set has m elements then it has 2^m subsets.

Answer 2

Answer:

2^n is formula to find out number of subsets