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Which expression has the fewest number of significant figures?A. 5,280B. 360C. 296.54D. 18.3

Sagot :

Concept

To determine the number of significant figures in a number use the following 3 rules:

1. Non-zero digits are always significant.

2. Any zeros between two significant digits are significant.

3. A final zero or trailing zeros in the decimal portion ONLY are significant.

Let's check through the options:

5,280

This has 3 significant figures

360

This has 2 significant figures

296.54

This has 5 significant figures

18.3

This has 3 significant figures

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