is 0 a rational number, irrational number, natural number, whole number , or integer
0 is a rational number, a whole number, and an integer.
A rational number is any number that can be expressed as a fraction where the numerator and denominator are integers, and the denominator is not equal to zero. Since 0 can be expressed as 0/1, it is considered a rational number.
A whole number is a number without any fractional or decimal parts. As 0 does not have any fractional or decimal parts, it can also be classified as a whole number.
An integer is a number that includes all whole numbers and their opposites (negative whole numbers). Since 0 is an integer, it is included in this classification as well.