Answer:
LEAST TO GREATEST
0.7,1.4,1.8,2.2,3.9
Explanation:
0.7= 0.70
1.4
1.8= (1.8-1.4=.4) 1.8 is bigger keep doing this until finally done.
working with bigger numbers in the first place (before the decimal) then find if the number is bigger than that.