Answer:
The distance from -3 to 0 can be calculated by subtracting the smaller value from the larger value. In this case, the larger value is 0 and the smaller value is -3.
To find the distance, we subtract -3 from 0:
0 - (-3) = 0 + 3 = 3
Therefore, the distance from -3 to 0 is 3 units.