40 is the outlier of10 15 10 20 10 20 40
10 + 15 + 20 = 45
That is because 15 * 20 is the same as 15 * 2 * 10, which is 2(15 * 10).
Round 15 to the nearest 10 would be 20, as it is closer to 20 than 10.
The Least Common Multiple (LCM) for 10 15 20 is 60.
9 they are -20, -15, -10, -5, 0, 5, 10, 15, 20.
The first 5 multiples of 5 are: 5, 10, 15, 20 and 25.5, 10, 15, 20, 25
-10
15.5
20, 15, 10, 5, 0, -5, -10, -15, -20 and so on.
20
5=2.236067978 10=3.16227766 15=3.872983346 20=4.472135955