you could arrange them in order, add them, subtract them, multiply them, divide them, make a power of them, integrate them, and so on.
yes
No it is not an associative property.
Both.
No. The equation 3/2 x + 2/3 y - 7 = 42 is a linear equation. But the coefficients of x and y are both rational numbers, not whole numbers.
yes
The whole of the real numbers.
Yes there is.Closure means that if x and y are any two whole numbers then x - y must be a whole number.
Please don't write "the following" if you don't provide a list. This is the situation for some common number sets:* Whole numbers / integers do NOT have this property. * Rational numbers DO have this property. * Real numbers DO have this property. * Complex numbers DO have this property. * The set of non-negative rational numbers, as well as the set of non-negative real numbers, DO have this property.
mul
A real number is any number. Real numbers can be whole numbers or numbers which include a decimal point.
Neither. The property of odd or even applies only to integers (whole numbers).
No.