Use absolute value notation to describe the situation.
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The temperature in Bismarck, North Dakota was 72°F at noon, then 33°F at midnight. What was the change in temperature over the 12-hour period?
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A. |72°F - 33°F| ? 39°F
B. |72°F- 33°F| = 39°F
C. |72°F - 33°F| ? 39°F
D. |72°F - 33°F| < 39°F
E. |72°F - 33°F| > 39°F
Answer: B
Mathematics
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