atentan4t9j

2023-03-24

Is negative 5.7 a rational number?

inconcusovg9s

Beginner2023-03-25Added 6 answers

Any number that can be expressed as the ratio of two integers is said to be rational. It may be both positive and negative because it is an integer ratio. Additionally, any decimal fraction that has a limit beyond the decimal point (like 5.7, which does not go beyond the tenth place) or that continuously repeats numbers (until infinity), such as 4.33333... or 0.232142857142857142857..., can be written as a ratio of integers, no matter how large, and is therefore rational. It is a rational number now that $-5.7=-\frac{57}{10}=\frac{-57}{10}$, a ratio of two integers.

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