-52 is a rational number because it can be expressed as a fraction in the form of -52/1
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5.2 is rational. Rational numbers are numbers that can be written as a fraction. Irrational Numbers cannot be expressed as a fraction.
5.2 is a rational number because it can be expressed as a ratio of two integers, specifically 52/10. A rational number is any number that can be written as a fraction where the numerator and denominator are integers and the denominator is not zero. Since 5.2 fits this definition, it is considered a rational number.
Rational
10.01 is a rational number
rational
It is a rational number
Such a product is always irrational - unless the rational number happens to be zero.