Answer:
Explanation:
The question looks like this.
square root (3111)^2
The square root of 3111 is 55.78
Now you have to square it 55.78^2 = 3111.4
The 0.4 comes up because 55.78 is a round of the actual square root which is
55.776339069537362385549858627874
This when squared gives you 3111 to the limit of the calculator used.