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.
yes
Yes. Any rational number divided by another rational number is also rational.
2555 = 9FB
2555
It is a rational number. It can be written as a fraction.
Seven years = 2555 days
There are: 2555/7 = 365 weeks
yes
2555 kilograms = 5,632.8 pounds.
5554 plus 2555 equals 8109.
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.