Answer:
1.6
Step-by-step explanation:
if you are at -0.8 on a number line, you have to move 0.8 units to get to 0. you then have to continue to move an additional 1.6 units to get a total of 2.4 units.
-0.8, -0.7, -0.6, -0.5, -0.4, -0.3, -0.2, -0.1, 0, 0.1, 0.2, 0.3, 0.4, 0.5, 0.6, 0.7, 0.8, 0.9.......and so on.