Question

In the morning, when James went to school it was warm outside. By the time he went to bed thatevening the temperature had dropped 14°F. What number can be used to express the change intemperature?

Answer 1

According to the statement, the temperature had dropped 14°F. So the temperature change is negative:

`\Delta T=-14^(\circ)F\text{.}`

Answer

We express the temperature change as -14 °F.