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Earn +20 ptsQ: What number is equal to the square root of 81?
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Is the root of 81 an irrational number?
No. The square root of 81 is 9, which is a rational number.
What is the square root of 81?
The square root of 81 is: ±9 (9 or -9)A square root is a number which, when multiplied by itself, equals the original number. As 9 x 9 = 81 and -9 x -9 = 81, the answer is plus or minus nine.
Is the square root of 81 rational?
Yes. The square root of 81 is 9 - a natural number and all natural numbers are rational numbers.
What is the square root of 6561?
The square root of 6561 is 81.
What is the quad root of 81?
The quad root of 81 is 3 but the square root of 81 is 9
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