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What s.f. means in math?

Updated: 4/28/2022
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14y ago

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significant figures.

For any number, the sf is the number of digits from the first non-zero digit to the last non-zero digit. Any zeros within that range ARE counted.

So, for example,

1.23000 sf = 3

1.0230 sf = 4

00567.5 sf = 4

5.000000001 sf = 10

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14y ago
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