Question

How many significant figures does 7,874.9640 s have?
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Answer 1

There are 8 sig figs

Step-by-step explanation:

Answer 2

8 significant figures

Step-by-step explanation:

All numbers (that are not zero) are always significant. Because there is a zero at the end of the number after the decimal place, this makes this zero also significant. This zero is significant because it makes the number more precise. Therefore, all of the numbers in this number are significant.