the problem 39 is:A piece of wood has a labeled length value of 76.49 cm. You measure its length three times and record the following data: 76.48 cm, 76.47 cm, and 76.59 cm. How many significant figures do these measurements have?

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Would you define what the question calls "significant figures"?

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Asked 10/11/2008 12:05:01 PM

Updated 7/31/2023 2:35:50 AM

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Aj25

The number of significant figures in each measurement is determined by the number of digits that are known with certainty plus one uncertain digit. In this case:

1. 76.48 cm: 4 significant figures (all digits are known with certainty)
2. 76.47 cm: 4 significant figures (all digits are known with certainty)
3. 76.59 cm: 4 significant figures (all digits are known with certainty)

Therefore, each measurement has 4 significant figures.

Added 7/31/2023 2:35:50 AM

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is the number 5 x10 -4 greater than 1.0? explain your answer.

Weegy: yes it is because 46 is greater than 1 (More)

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Updated 7/27/2023 12:15:21 AM

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MsAnyaForger

The number 5 x10 -4 will be less than 1.0 because the 5x10^-4 is number that can be written as 0.0005 as the power of the 10 is in negative digits which comes into the point digits after evaluating carefully.
Thus it is clear that 1.0 is bigger than 0.0005.

Added 7/27/2023 12:15:21 AM

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