Login to view more pages. 104 × 4 = 416 Hence, √42.25 = 6.5. Ex 6.4, 3 Find the square root of the following decimal numbers (iii) 51.84 Rough The number of digits in a perfect square is very significant for calculating its square root by long division method. For example, the square root of 25 is 5 (i.e) when 5 is multiplied by itself, it gives the number 25. Square root of 2.56 = 1.6 Thus, To find the square root of this decimal we convert it into scientific notation. Now, if we have to find square root of a decimal number using long division method, then see the example given below: Example: √42.25 =? Consider the following method for finding the square root of a decimal number. Ex 6.4, 3 Find the square root of the following decimal numbers. Terms of Service. Because has an even exponent, we can divide the exponenet by 2 to get its square root. 1. 47 × 7 = 329 Take three digits in the decimal part and find the square root of it. 123 × 3 = 369 Last updated at Sept. 11, 2018 by Teachoo, Subscribe to our Youtube Channel - https://you.tube/teachoo, Ex 6.4, 3 Find the square root of the following decimal numbers. Consider 2 decimal places for the obtained value and take the square root of it. Davneet Singh is a graduate from Indian Institute of Technology, Kanpur. Related Articles. In the below online square root of decimal numbers calculator, just enter any decimal number and click calculate to know its square root. This is one of the simplest calculators which help you in finding square root of decimal number. Square root of 42.25 = 6.5 124 × 4 = 496 Finding Square root of Decimals. 141 × 1 = 141 Calculate the positive principal root and negative root of positive real numbers. Hence, we found the square root of 6.25 equal to 2.5. The square root of a number is defined as the number which when multiplied by itself gives the actual number. Square root of 31.36 = 5.6. 45 × 5 = 225 105 × 5 = 525 Teachoo is free. Also tells you if the entered number is a perfect square. 125 × 5 = 625 Ex 6.4, 3 Find the square root of the following decimal numbers (v) 31.36 Rough Thus, Square root of 7.29 = 2.7 Thus, The symbol used to represent is √. Transcript. 142 × 2 = 284 Step 1: 46 × 6 = 276 Following steps explain finding the square root of the decimal number 29.16 using a long division method: Step 1. Square root calculator and perfect square calculator. 25 × 5 = 125 Learn Science with Notes and NCERT Solutions, Chapter 6 Class 8 Squares and Square Roots. He has been teaching from the past 9 years. It is explained with the help of an example for a clear understanding. Thus, Ex 6.4, 3 Find the square root of the following decimal numbers (iv) 42.25 Rough Proceed as usual. He provides courses for Maths and Science at Teachoo. Step 2: (i) 2.56 Rough 106 × 6 = 636 Step 1: To find the square root of a decimal number we put bars on the integral part (i.e., 21) of the number in the usual manner.And place bars on the decimal part (i.e., 16) on every pair of digits beginning with the first decimal place. Ex 6.4, 3 Find the square root of the following decimal numbers (ii) 7.29 Rough The symbol used to represent is √. Square root of 51.29 = 7.2 For example, the square root of 25 is 5 (i.e) when 5 is multiplied by itself, it gives the number 25. 24 × 4 = 96 Find the square root, or the two roots, including the principal root, of positive and negative real numbers. Teachoo provides the best content available! Therefore, √0.0144 =0.12, Error Bound Calculator For Simpson's Rule. Write the decimal number and make pairs of integer and fractional parts separately. 26 × 6 = 156 Find Square Root of Decimal Number 0.0144? On signing up you are confirming that you have read and agree to Square Root And Cube Root; Square Root Formula; Square Root Prime Factorization; Square Root Of 120 Therefore, √144 = 12. Therefore, The square root of 9 is 3, and the square root of 4 is two, so the square root of 6.4 is between 3 and 2, around 2.53 The square root of a number is defined as the number which when multiplied by itself gives the actual number.