Close to pi..........................2 twos....................2 is where, other than zero.........the processes of multiplication and addition are dead even.........2 + 2 = 4........2 * 2 = 4...........

square root(10) =

3.16227766017

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More info

Numbers - Square Roots - Examples - Math.com

www.math.com/school/subject1/lessons/S1U1L9EX.html

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Example: Calculate the square root of 10 ( ) to 2 decimal places. 1. Find the two perfect square numbers it lies between.