9.0 is both an integer and a rational number. As an integer, it is a whole number without any fractional or decimal parts. As a rational number, it can be expressed as a fraction where the numerator is 9 and the denominator is 1, making it a ratio of two integers.
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It is a rational number, not an integer.
It is not an integer but is a rational number.
A rational number.
Every integer is.
No -0.75 is not an integer, but it is a rational number.