50
[1W4](Proposed on 2022-12) If \(A\) is a set of \(n\) elements (\(n≥ 0\) natural number) then how many elements are there in \(\mathcal{P}(A)\)?
[1W4](Proposed on 2022-12) If \(A\) is a set of \(n\) elements (\(n≥ 0\) natural number) then how many elements are there in \(\mathcal{P}(A)\)?