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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.
It is a rational number, not an integer.
It is not an integer but is a rational number.
A rational number.
Rational numbers are those which can be written as one integer over another integer. 7.4329 = 74239/10000 74239 and 10000 are both integers, thus 7.4239 is a rational number. No; 7.4239 is not an irrational number.