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No. It can be expressed as a fraction, so it is a rational number.

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Is the square root of 145 rational?

No, the square root of 145 is not a rational number. A rational number can be expressed as the quotient of two integers, but since 145 is not a perfect square, its square root is an irrational number. The square root of 145 is approximately 12.041, which cannot be expressed as a simple fraction.


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