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Earn +20 ptsQ: What is the quad root of 81?
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Continue Learning about Algebra
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 40.5?
81 is the square root of 405. (81 x 5 = 405.)
What is the square root of 6561?
The square root of 6561 is 81.
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.
What is the real fourth root of 10 000 over 81?
Restricting to real roots, 4th root of 10000 = +/- 10 4th root of 81 = +/- 3 So 4th root of 10 000 over 81 = +/- 10/3 or +/- 3.33....
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