{Positive multiples of 4} (Enter your answers as a comma-separated list. Enter only the first three values of this set.)
what, you have no idea how to list multiples of 4?
How about I illustrate with multiples of 3?
3,6,9,...
To find the positive multiples of 4, we can start with the number 4 and keep adding 4 to it. Here are the first three positive multiples of 4:
4, 8, 12