Question 1 - Next Generation Quantitative Reasoning, Algebra, and Statistics Practice Test for the ACCUPLACER Test

Sally lives in Antarctica. In the afternoon she measures the temperature to be \(-4^\circ C\). Eight hours later she measures the temperature to be \(-18^\circ C\). Three hours later she measures again and finds it to be \(-23^\circ C\). The following morning she measures one last time and finds the temperature to be \(-2^\circ C\).

What is the absolute value of the difference between the lowest and highest measured temperatures?

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