![]() ![]() A step by step guide that shows you how to calculate the square root of 138 and answers common questions. To add decimal places to your answe you can simply add more sets of 00 and repeat the last two steps. Notice that the last two steps actually repeat the previous two. It should then be clear that computing any further will result in a number that would round to 1.403, making 1.403 the final estimate to 3 decimal places. The square root of 138 with one digit decimal accuracy is 11.7. If the number c returned is precise to the desired decimal place, stop. For a simpler, but less efficient method, continue to the following steps and example. For those with an understanding of series, refer here for a more mathematical algorithm for calculating n th roots. Estimating higher n th roots, even if using a calculator for intermediary steps, is significantly more tedious. ![]() The examples of valid expressions are r2, r3 + 3r5, 2/3 + 4r(1/2)-+. replace the square root sign ( ) with the letter r. The calculator shows all the steps and easy-to-understand explanations. While computing square roots entirely by hand is tedious. This calculator removes square roots from the denominator of a radical fraction. In other words, the square root of a fraction is a fraction of. For any positive number x and y, x y x y x y x y. Example: 1625 16 25 42 52 45 16 25 16 25 4 2 5 2 4 5. Calculating n th roots can be done using a similar method, with modifications to deal with n.While computing square roots entirely by hand is tedious.
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