4. In lesson 7, Distance is *

A number that is the quotient of two integers, as long as the second integer is not zero
The sum of two numbers
A number that, when added to a given number, results in 0
The absolute value of the difference of the two numbers

The fourth option is correct. Distance is the absolute value of the difference between two numbers.

In lesson 7, distance is defined as the absolute value of the difference between two numbers.