identify the first five multiples of 4 and 10
The first 5 multiples of 4 are 4, 8, 12, 16, 20. The first 5 multiples of 10 are 10, 20, 30, 40, 50.
20, 40, 60, 80, 1004 x 5 = 2010 x 2 = 20Keep going by multiplying these factors by two.