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Any number you can write in full using a finite number of digits and the symbols - and . only is a rational number.

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Irrational

Q: Is 64 rational or irrational

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It is rational

No because all integers are rational numbers

It is a rational number - as are ALL perfect squares.

No, and it is not irrational either. It is an imaginary number.

5, -7.986543, 37/91, sqrt(64), 193 are all rational. sqrt(2), pi, e, cuberoot(32) are all irrational.

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Rational

rational

It is rational

irrational

64 is a rational number and it is also a square number

-- There's an infinite number of rational numbers. -- There's an infinite number of irrational numbers. -- There are more irrational numbers than rational numbers. -- The difference between the number of irrational numbers and the number of rational numbers is infinite.

Rational. √(1/64) = 1/√64 = 1/8

It is a rational number because the square root of 64 is 8 which is a rational number

The square root of 64 is 8 which is a rational number

No because all integers are rational numbers

It is a rational number - as are ALL perfect squares.

Rational. It is a perfect square with answer exactly 8The square root of 64 is the integer 8 (8 x 8 = 64) so it is rational.