Answer:
Least to Greatest
-1.98, -0.9, -1 [tex]\frac{8}{9}[/tex], -1.68
Step-by-step explanation:
In the case of negative numbers the "larger" the number is, the least it is. For the fraction I just tossed 8/9 into my calculator to get the decimal version that way I could put it in order accuratly.