2.
To do the comparison, we'll use the following temperatures:
Day 1: 5°F
Day 2 : 1.5°F
Comparison of Day 1 and Day 2:
or
Comparison of days with absolute value:
or
3.
The temperature that's the closest to 0 during the week is -0.5°F. Using absolute value, we can see that the distance from 0°F to -0.5°F is the smallest of all the temperature measurements.
4.
The temperature that's the farthest to 0 during the week is 5°F. Using absolute value, we can see that the distance from 0°F to 5°F is the biggest of all the temperature measurements.
5.
The coldest temperature is -4°F. This is the value that is farthest to the left of 0°F on the number line.
6.
The warmest temperature is 5°F. This is the value that is farthest to the right of 0°F on the number line.