Answer: The outdoor temperature is 4 degrees below 0 or -<u>4 </u>degrees.
The indoor temperature is 72 degrees above 0 or<u> 72</u> degrees.
Step-by-step explanation:
We use negative integer to represent loss, below , or withdrawal etc.
On the other hand we use positive integers to show gain , above , deposit etc.
Given statement : The outdoor temperature is 4 degrees below 0.
So we will represent it by <u>-4 </u>degrees.
The indoor temperature is 72 degrees above 0.
So we will represent it by +72 or <u>72</u> degrees.