e goes slightly in front of 2 as it is represented approximately by the number 2.17
2^-1 goes in the middle of 0 and 1 since it is approximately 1.41
the square root of 4 goes on 2 since its value is exactly 2
π goes slightly in front of 3 since it is approximately 3.14
1.5^3 is past π but a little less than 3 and a half