The cardinal number of a set is 5. find the cardinal number of the power set.

Cardinal number of Sets

The cardinal number of the empty set is

Cardinal number of null set is…………

If A is the set of all the letters of the word HYDERABAD, then find the cardinal number of the power set of set P(A) .

What is the cardinal number of a set with the smallest odd number ?

If a set has 510 non-empty proper subsets, then find the cardinal number of the set.