Question

Yesterday, the temperature change for a 5-hour period of time was -degree perhour. Which statement describes this change?AThe temperature rose 5 degrees.BThe temperature rose 45 degrees.СThe temperature fell 4 degrees.DThe temperature fell 5 degrees.AB

Answer 1

The negative sign means that temperature decreases of fell.

Deteremine the change in temperature for 5 hours.

`\begin{gathered} dT=5\cdot(-(4)/(5)) \\ =-4 \end{gathered}`

So temperatute fell 4 degrees. Option C is correct.