Answers by visitors named: Eustars

We use 2^n= to the number of subset 2ⁿ=256 2ⁿ=2⁸ n=8 :. Number of elements in set A are 8

We use 2^n= to the number of subset 2ⁿ=256 2ⁿ=2⁸ n=8 :. Number of elements in a set are 8