Q: Is radical 40 a rational number?

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No, it is not.

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

Yes, they are.

The square root of 4 is 2 which is a rational number and also a prime number

No, 40 is a rational number.

Related questions

No, it is not.

No, it is not.

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

No. Radical(1.21) = 1.1, for example, is rational.

Yes, they are.

Yes, they are.

Sqrt(25) is -5 or +5, both of which are rational.

If the number inside the radical is a perfect square or a ratio of perfect squares.

The square root of 4 is 2 which is a rational number and also a prime number

No, 40 is a rational number.

Any integer (including 40) is classed as a rational number.

All integers, including 40, are rational numbers.