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AA number that is greater than 0
BA number with no sign at all
CA number that is less than 0
DA number equal to its own opposite
Answer & Solution
Correct answer: C. A number that is less than 0
1. The rule for negative numbers states that a negative number is a number that is less than 0.
2. A number greater than 0 is positive, which is the opposite idea.
3. Every signed number carries a sign, and only 0 is its own opposite, so neither of those options fits the definition.
_Source: OpenStax Prealgebra (CC BY 4.0), Ch 3 "Integers", section 3.1 Introduction to Integers_
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