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The square root of 25 is 5, which is a rational number.
The square root of 25 is 5, which is a whole number, an integer, a natural number and a rational number.
No, only perfect squares like 25 and 36, which are around 30, have a square root that is a rational number.
The square root of 25 is 5. 5 is a rational number. A rational number is a whole integer, like 3 or 5 or -8. Also, 4.333333... is a rational number because we know exactly what the number is. We know the number is 4 and 1/3, nothing more, nothing less. An irrational number is a number that goes on and on, with no specific pattern. A famous irrational number is pi. 3.14159....... Another example would be 453.788192742917471085723.......... Or 2.10100100010000100000........
2.5 is the ratio of 25 to 10 ... entirely rational.