Question

How many proper subsets dose set B have? If B = {a,b,c,d,e}(proper subset not subset)plzzzz help

Answer 1

Answer:

31

Step-by-step explanation:

The formula for proper subset=2^n-1

where n= no.of elements in the given set.

So here there are 5 elements (namely a,b,c,d,e) in the given set B. So No. of proper subsets=2^5-1=31