How to find the square root of a decimal number without a calculator?
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Example: 1-Calculate the square root of 10 ( ) to 2 decimal places.
2-Find the two perfect square numbers it lies between.
3-Divide 10 by 3. 10/3 = 3.33 (you can round off your answer).
4-Average 3.33 and 3. ( 3.33 + 3)/2 = 3.1667.
5-Repeat step 2: 10/3.1667 = 3.1579.
hope it help...
2-Find the two perfect square numbers it lies between.
3-Divide 10 by 3. 10/3 = 3.33 (you can round off your answer).
4-Average 3.33 and 3. ( 3.33 + 3)/2 = 3.1667.
5-Repeat step 2: 10/3.1667 = 3.1579.
hope it help...
sehaj48:
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To find the square root of numbers in the decimal form are explained in the following steps:
Step I: Make the number of decimal places even by affixing a zero on the extreme right of the decimal part (if required).
Step II: In the integral part, mark the periods as done while finding the square root of a perfect square of some natural number.
Step III: In the decimal part, mark the periods on every pair of digits beginning with the first decimal place.
Step IV: Now, find the square root by long division method.
Step V: Put the decimal point in the square root as soon as the integral part is exhausted.
Step I: Make the number of decimal places even by affixing a zero on the extreme right of the decimal part (if required).
Step II: In the integral part, mark the periods as done while finding the square root of a perfect square of some natural number.
Step III: In the decimal part, mark the periods on every pair of digits beginning with the first decimal place.
Step IV: Now, find the square root by long division method.
Step V: Put the decimal point in the square root as soon as the integral part is exhausted.
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