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the absolute value of square root will be between 20 and 21. e.g. 10 is greater than 9 = 3 and less than 16 = 4, therefore the absolute value of the square root will be between 3 and 4. d. Square roots of numbers ending in an even number of zeroes can be quickly evaluated by halving the number of zeroes. e.g. 10,000 = 100 3.
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