The temperature is negative 20 degrees. How does that compare with 0 degrees?
AIt is 20 degrees above zero
BIt is exactly the same as zero
CIt is 20 degrees below zero
DIt cannot be compared to zero
Answer & Solution
Correct answer: C. It is 20 degrees below zero
1. A negative temperature is one recorded below the zero mark.
2. Negative 20 degrees is 20 degrees below zero.
3. Its distance from zero is 20, and its direction is downward.
4. This is exactly why negative numbers were needed for such readings.
_Source: OpenStax Prealgebra (CC BY 4.0), Ch 3 "Integers", section Locate Positive and Negative Numbers on the Number Line_
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