Turn 9 2/3 into an improper fraction, which is now 29/3x 3/1. And if you multiply this, you would get 29/1 since 87/3 is just 29, your answer would be 29 and the estimated producted would be 25.
The surface area is the area of the outside of a 3D shape for example, let’s say you have a cube, a cube has 6 sides, so you have to find the area of each side and then add it up, since it’s a cube you would technically have to find the area of one side and then just multiply it by 6, that would be the easiest way to do it
