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Question:
1212Sally lives in Antarctica. In the afternoon she measures the temperature to be -4 Celsius degree. Eight hours later she measures the temperature to be 
. Three hours later she measures again and finds it to be 
. The following morning she measures one last time and finds the temperature to be 
.
What is the absolute value of the difference between the lowest and highest measured temperatures?
A
1212
explanation
1212The highest measured temperature is . The lowest measured temperature is .
The difference between the lowest and highest temperature is -23 - (-2), and the absolute value of the difference between the lowest and highest temperature is 
.
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