Asquare dining room table has an area of 20 ft. squared. what is the length of each side of the table to the nearest tenth?

You would square root 20 because it is a square, which would then give 4.47 (rounded is 4.5) and you can check this by multiplying 4.5 by 4.5 which would give you the area of approximately 20 ft.

20000 as first it increases by 2500 then by 5000 so next it will increase by 10000