499 is a whole number.
yes
Yes.
yes
It must be a generalised rational number. Otherwise, if you select a rational number to multiply, then you will only prove it for that number.
4.198 as a terminating decimal is rational. 4.198 = 4198/1000 = 499/500
499 is a whole number.
499 is a whole number, so no rounding is needed.
499 is a prime number.
It is a rational number. It can be written as a fraction.
499 has only two factors: 1 and itself.
yes
Is 12.05 a rational number or irrational number?
1.96 is a rational number
It is a rational number, as it can be written as a fraction.
Yes, the sum is always rational.
There is no such thing as a number that is both rational and irrational. By definition, every number is either rational or irrational.