Question

what is the square of 3.5

Answer 1

Square of 3.5 means 3.5 * 3.5 which is equal to 12.25

Also note that 3.5 can be written as 7/2 so it's square can also be written in the form of (7/2 * 7/2) = 49/4

Answer 2

12.25 is the square of 3.5