-0.2 is another way of saying -1/5. It's rational.
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No. It could be a rational or an irrational
Integers (whole numbers, without a decimal point, including negative whole numbers) are real numbers; they are rational; therefore they are not irrational.
Either. If it is non-terminating but recurrent (after some point) it is rational. If it is non-terminating AND non-recurrent then it is irrational.
No, any repeating decimal digit is a rational number. It only states that it is non-terminating decimal. It is rational.
This is an irrational number because of it's decimal point... Rational numbers are whole numbers that are divisible by 2 and do not leave a remainder or form a decimal fraction.