dentify the most specific set to which each of the following numbers belongs
0.121212...
144−−−√
0
47−−√
-9
0.121212... - This number belongs to the set of repeating decimals between 0 and 1.
144−−−√ - This number belongs to the set of perfect squares.
0 - This number belongs to the set of whole numbers.
47−−√ - This number belongs to the set of irrational numbers.
-9 - This number belongs to the set of integers.