Answer
3
Work Step by Step
To find the absolute value of a given expression we need to define what is absolute value function. Absolute value of a number is it's distance from the origin.
|x| = 0 if x = 0;
|x| = -x if x < 0;
|x| = x if x > 0;
|-3| = -(-3) = 3 as -3 < 0
3
