Division means to divide. Divide means to "share out" evenly.
For example, "Tom uses division to share 6 apples, among his 3 friends"
"Tom divides 6 by 3 (written as 6/3)"
1/2 and 1/6 because there is heads and tails and to get probability of tails it is 1/2 and you can get 6 only one time so 1/6
Im thinking the 3rd one . I’m not 100 percent sure.
About 625 mi2 because you can calculate all the whole cubes and that eliminates most other answers