Question

Which expression represents the distance between 4.7 and −11.2 on the number line? Drag and drop the correct expression into the box.

Answer 1

Answer:

15.9

Step-by-step explanation:

$\text{The formula of a distance between two points on a number line:}\\\\d=|a-b|\\\\\text{for}\ a\geq b:\ d=a-b\\=========================\\\\\text{We have}\ 4.7\ \text{and}\ -11.2.\ \text{Substitute:}\\\\d=4.7-(-11.2)=4.7+11.2=15.9$