Answer:
The absolute value of 28 is 28.
Explanation:
The easiest way to do this is to write a number line.
<------------------------------------------------------------------------>
-30 0 28 30
28 is exactly 28 places away from 0, (1, 2, 3... ,28)
Absolute value basically means the amount of spaces away it is from 0.
Hope this helps!
Cheers.