To reduce the square root of 500 using Mr.Kelly's method, you take 500 and divide it by the smallest number.500 /2 is 250. then divide 250 by the smallest number. 250/2 is 125. 125/5 is 25. 25/5 is 5. 5/5 is 1. this gives you 10 square root of 5. This way is better because a calculator will give you a number with a bunch of decimals. 10 square root of 5 is a better answer than 22.36067977. Using a calculator to get a decimal number would work better for science, when you need an exact number.
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