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Earn +20 ptsQ: What is the Square root of 21 in radical form?
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What is the simplest radical form of the square root of 525?
5 times the square root of 21
What is radical 441 in simplified radical form?
sqrt(441) = 21.
Is 4.5 the square root of 21?
4.6 is a better approximation to the square root of 21.
What is the exact value for the expression the square root of 189 minus the square root of 21 plus the square root of 84 Simplify if possible.?
21
How do you find square root of square 21?
The square root and square functions are inverse of one another EXCEPT that square root is not really a function: it is a 1-to-many mapping. So sqrt(square(21)) = sqrt(441) = ±21
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