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.
Yes. Any rational number divided by another rational number is also rational.
To find 75 percent of a number, multiply the number by 0.75. In this instance, 0.75 x 728 = 546. Therefore, 75 percent of 728 is equal to 546.
728 is an integer and so there is no sensible way of representing it as a mixed number.
An even number can be divided by 2 evenly. An odd number will have a remainder of 1 when divided by 2. 728 is an even number.
yes
You're asking for two numbers that are equal to 728, when we know perfectly well that the only number that's equal to 728 is 728 itself.
It is a rational number. It can be written as a fraction.
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.