Question

What is the midpoint of -1.9 and 5.1 on a number line??!

Answer 1

Add them and divide by 2. 5.1 + -1.9= 5.1 - 1.9, which is 3.2. 3.2 divided by 2 is 1.6. That is their midpoint on the number line(I can't plot it).