Answer:
#1: Rational
#2: Irrational
#3: Irrational
NOTES:
NATURAL NUMBERS - counting numbers
WHOLE NUMBERS - counting numbers plus zero
INTEGERS - Whole Numbers and there opposites
RATIONAL NUMBERS - Any number that can be expressed as a ratio of a/b of 2 intergers, where b = o
IRRATIONAL NUMBERS π - Any number that cannot be expressed as a ratio a/b of 2 integers, where b # o.
REAL NUMBERS - All rational and irrational numbers.
