Sagot :
Answer:
1. n (A) = 2
Subsets = {1,8}, {1}, {8}
2. n (B)= 3
Subsets = {sun,moon,stars}, {sun, stars}, {sun,moon}, {moon,satrs}, {sun}, {moon}, {stars}, { }
3. n(C) = 4
Subsets = {g,l,a,d}, {g,l,a}, {g,a,d}, {l,a,d}, {g,l}, {g,a}, {g,d}, {l,a}, {l,d}, {a,d}, {g}, {l}, {a}, {d}, { }
4. n(D)=4
Subsets= {2,4,6,8}, {4,6,8}, {2,4,6}, {2,4,8}, {2,6,8}, {2,4}, {4,6}, {6,8}, {2,6}, {4,8}, {6,8}, {2}, {4}, {6}, {8}
5. n(E) = 3
Subsets = {green, orange, purple}, {green,orange}, {green,purple}, {orange,purple}, {greean}, {orange}, {purple}, { }