To find expanded form, we need to split up the digits. When you do that, you take one digit and cut off everything to the left of it, then make everything to the right zeros.
We don't need to keep the zeros.
We can check this by adding the numbers back up to get .
Angle x would be 40 since if you add the 2 known degrees 60 and 80 you would get 140, and since a triangle will always be 180 degrees added together and when you subtract 140 from 180 you will get 40 which will be the last angle
Answer:
31/3/2/3=31×3/3×2=93/6=15.5
Mode, because it is the measure that occurs most often