a multiset is a collection of objects, just like a set, but can contain an object more than once ( the order of the elements still doesn't matter). for example, {1,1,2,5,5,7} is a multistset of size...

a multiset is a collection of objects, just like a set, but can contain an object more than once ( the order of the elements still doesn't matter). for example, {1,1,2,5,5,7} is a multistset of size 6.

a. how many sets of size 5 can be made using the 10 numeric digits 0 through 9?

b. how many multisets of size 5 can be made using he 10 numeric digits 0 through 9?