A pair of numbers whose product is one are called:
ARectangles
BRecipients
CRecitals
DReciprocals
Answer & Solution
Correct answer: D. Reciprocals
1. Multiplying them together gives one exactly.
2. Each is found by inverting the other.
3. Such numbers are reciprocals.
_Source: OpenStax Prealgebra 2e, Chapter 4, Fractions._
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