Question

The temperature in a freezer is set at -18°C. The temperature in a refrigerator 21° warmer. Should the refrigerator temperature be represented by a positive integer or negative integer? Explain your reasoning

Answer 1

Answer:

Positive integer.

Explanation:

The temperature in the freezer = -18°C

If the temperature in the refrigerator is 21° warmer.

$\begin{gathered} \text{The temperature in the refridgerator} \\ =-18+21 \\ =3\degree C \end{gathered}$

The temperature will be represented by a positive integer.