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No - the square root of 40 is not a rational number. Rounded to ten decimal places, it is equal to 6.3245553203.

Q: Is the square root of 40 rational?

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The square root of 25 is 5 ... rational.

No. Lots of square roots are not rational. Only the square roots of perfect square numbers are rational. So for example, the square root of 2 is not rational and the square root of 4 is rational.

The square root of 100 is 10, and it is a rational number.

The square root of 196 is 14. Fourteen is a rational number.

The square root of 16 is 4 which is a rational number

Related questions

No.

irrational

The square root of 40 is an irrational number, due to the fact that one could extend the answer to an infinite number of decimal places if one was able to.

The square root of 25 is 5 ... rational.

No, the square root of 1000 is not rational.

is the square root of 3 rational

The square root of 4 is 2. 2 is a rational number so they square root of 4 is rational.

The square root of 48 is a rational or irrational

No, the square root of 1500 is not a rational number.

It is irrational because it can't be expressed as a fraction

It is rational. The root of a perfect square, such as 4, is rational; the root of any positive integer that is not a perfect square is an irrational number.

[ square root of (4.1) ] is irrational. But [ square root of (4) ] is rational.