Answer:
whats the question?
Step-by-step explanation:
Answer:

Step-by-step explanation:
A square of a monomial is
that is 
Use properties of exponents:

Note that

Then

So, the monomial is

65.0798 rounded to the nearest tenth is 65.1, if the number after the number you are rounding is 5 or over you will round up. If the number after it is under 5 then it will stay the same.