Respuesta :

You wouldn't. 41 is a prime number. You can only simplify square roots when one of their factors is a perfect square. 

For example, sqrt(48)=sqrt(16*3)=4*sqrt(3) 
But sqrt(41) is as simple as it gets.
Since the square root of 41 is 6.40312423743 it would simplify or round to 6.4
Hope this helps:)