alleryStart learning →Elevations below sea level are described using which kind of number?
ANautical numbers
BNotional numbers
CNumerical nouns
DNegative numbers
Answer & Solution
Correct answer: D. Negative numbers
1. Sea level is taken as the zero point for elevation.
2. Heights above it and depths below it need different signs.
3. Elevations above sea level are positive and elevations below sea level are negative.
4. So depths below sea level are negative numbers.
_Source: OpenStax Prealgebra 2e (CC BY 4.0), Ch 3 'Integers', sections 3.1-3.5_
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