The number h and 1.4 are additive inverses.
Drag and drop 1.4 and h to their correct positions on the number line.
Drag and drop the label “Sum” to the sum of 1.4 and h.
Since h and 1.4 are additive inverses, they must be located at the same distance from 0 but on opposite sides.
1.4 should be placed to the right of 0, and h should be placed to the left of 0 on the number line.
The label "Sum" should be placed at the location on the number line that represents the sum of 1.4 and h, which is 0.