1. planes, a line
2. 4, plane
3. two, line
4. two, line
(i think four is wrong, tell me if it is)
Scientific notation is where people make ginormous numbers to a number inbeween ten and one. Very small numbers to, here are some examples.
6,000= 6 x 10^3
.0006= 6 x 10^-4. Hope this helped!
Divide the area by the length, which should be 5
