Based on scientific information and records, the magnitude of a nanometer is equal to: C. 10⁻⁹ m.
Measurement refers to a process through which the size, magnitude or other physical quantities associated with an object is taken, especially for the purpose of a scientific research (experiment).
In the metric system, a nanometer can be defined as a measure of length such as:
In conclusion, a nanometer is one billionth (10⁻⁹ m) of a meter.
Read more on a nanometer here: https://brainly.com/question/5753030
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