Question

the temperature outside was 80°. the thermometer shows the new temperature. what change in temperature has taken place?

Explanation:

Step1: Identify initial and new temperature

Initial temperature is $80^{\circ}$, new temperature from thermometer is $30^{\circ}$.

Step2: Calculate temperature change

Change = New - Initial = $30 - 80=- 50^{\circ}$

Answer:

$-50^{\circ}$