How many significant digits are justified by the unit factor 1 lb/454 g?

Name: How many significant digits are justified by the unit factor 1 lb/454 g?
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Question

Quizplus · Accepted Answer

The unit factor 1 lb/454 g is based on a defined or counted value, which can have an infinite number of significant digits. However, the number 454 specifies that the conversion factor is known to three significant digits, justifying the choice of three significant digits.

How Many Significant Digits Are Justified by the Unit Factor