
Nathan B. answered 10/31/14
Tutor
5
(20)
Elementary and Algebraic skilled
The absolute value means "How far away from 0 the number lies."
so, if we have 9 - 13, that equal -4. -4 is 4 away from 0 so the absolute value of -4 is 4.
Absolutes are also written in brackets like so: [-4] = 4