I'm sorry, but 11 squared is 121. What you did is 11^4. Th…
I'm sorry, but 11 squared is 121.
What you did is 11^4.
The square root of 11^4 is the same as 11^2 which is 121, of course.
Furthermore, in large parts of the world it is 1.12.2019 = 112 and 21.1.2020 = 211.