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There are many ways to do it. Have a look at the Wikipedia article (check the link).
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∙ 11y ago
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How do you compute square root of 2 manually?
See the related link for a detailed description of a manual method for calculating square roots.
Are compatible numbers difficult to compute mentally?
No.
Why do you say approximate rather than compute for square roots?
Because many square roots are irrational numbers that can not be computed to an exact value for lack of space to continue an infinite string of digits after the decimal point.
Why do you say approximate rather than compute when finding square roots when using a calculator or spreadsheet?
Well, it's both: you're using a machine to compute an approximation. Why isn't it exact? Most square roots (such as the square root of two) are irrational numbers, so their decimal representation requires an infinite number of digits. We humans have to have finite answers, hence we round off.
What can you use to estimate quotients when they are easy to compute mentally?
Your brain, of course.
How would you mentally compute irrational numbers?
Usually with great difficulty. The answer also depends on the nature of the irrational number - whether it is simply a square root or if it is a combination of roots of different orders.
How do you compute square root of 2 manually?
See the related link for a detailed description of a manual method for calculating square roots.
Are compatible numbers difficult to compute mentally?
No.
Why do you say approximate rather than compute for square roots?
Because many square roots are irrational numbers that can not be computed to an exact value for lack of space to continue an infinite string of digits after the decimal point.
How do you compute a square root?
Square roots are computed using the Babylonian method, calculators, Newton's method, or the Rough estimation method. * * * * * Or the Newton-Raphson method.
Numbers that are easy to compute mentally?
Numbers like 10, 25, 50, and 100 are easy to compute mentally because they have simple multiples or divisions that are easy to work with. For example, doubling 25 is 50, or dividing 100 by 10 gives you 10. These numbers are often used as benchmarks in mental math calculations.
Why do you say approximate rather than compute when finding square roots when using a calculator or spreadsheet?
Well, it's both: you're using a machine to compute an approximation. Why isn't it exact? Most square roots (such as the square root of two) are irrational numbers, so their decimal representation requires an infinite number of digits. We humans have to have finite answers, hence we round off.
What Numbers that are easy to compute with mentally are called?
benchmark numbers
Are numbers that are easy to compute mentally?
It depends on your computational skills.
What can you use to estimate quotients when they are easy to compute mentally?
Your brain, of course.
What term describes Numbers that are easy to compute mentally?
compatible numbers
How do you compute 4x27x25 mentally?
if you mean multiplication then 4x25=100 x 27 = 270
