Question

|-3|=_________ how do you do this. so you know this is high school work.

Answer 1

Simple...

you have: |-3|=

The absolute value is the distance between a number and zero. The distance between -3 and 0 is 3.

|-3|=3

Thus,your answer.

Answer 2

These | | simple mean absolute value. Absolute value is simply the number positive, for example, the absolute value of -3 is simply 3