tolong............Pls:')

1) n(a) = n ➡ 2 pangkat n
= 3 ➡ 2³
= 8
bagian: {}, {a}, {b}, {c}, {a,b}, {b,c}, {a,c}, {a,b,c}
2) m = {2,3,4,5}
n(m) = 4 ➡ 2⁴
= 16
bagian: {}, {2},{3},{5},{1,2}{1,3},{1,4},{1,5},{2,3}{2,4}{}{}{}{}{}{}