Question

identify the most specific set to which each of the following numbers belongs:
sqrt(144) -
0.121212... -
-9 -
0 -
sqrt(47) -

Answer 1

sqrt(144) - Rational numbers, Perfect square (12)

0.121212... - Irrational numbers, Non-repeating decimal

-9 - Integer, Rational numbers

0 - Whole numbers, Integer, Rational numbers

sqrt(47) - Irrational numbers