Answer:
That would be 4.0
Step-by-step explanation:
if you have 4.2 take away 0.2 that would be 4.0
4.2
0.2
-__
4.0
Hope this helped regards
girl come.................
You solve the problem and the answer is 982,810 :)
If a square has an area of 45 square units its side has a length of

units. Is that a perfect length? I don't know, but I know it's perfect for a square whose area is 45.