I was told to answer question #27 in 2.4 of our textbooks.
The question states as follows :
My first reaction when I saw the question was confused, until I thought about the individual faces of the cube.
Here is my work :
It may seem silly to show long division of a number that will result in a non terminating decimal. But it shows how a person can get such an answer.
So as a result, the edge length of a cube that has a surface area of 100cm^2 (rounded to the nearest tenth of a centimetre) is 4.1cm.