A rational number is a number that has a definite end. For example, pi is never ending and is therefore an irrational number. -4, however, has a definite end. This makes it a rational number.
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Yes. A rational number is any number that can be expressed as a fraction. 4 can be expressed as 4/1.
Sometimes. The number '4' is real and rational. The number 'pi' is real but not rational.
If you mean 4/9 as a fraction then it is a rational number
The square root of 16 is 4 which is a rational number
n is a square of a rational number. For example, 4 or 81, or 2.25 or 36/25.n is a square of a rational number. For example, 4 or 81, or 2.25 or 36/25.n is a square of a rational number. For example, 4 or 81, or 2.25 or 36/25.n is a square of a rational number. For example, 4 or 81, or 2.25 or 36/25.
The rational number for the number -3.20 would be 4/10. This is a math problem.