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Q: Determine the number of significant figures in each measurement 12.90s?
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3 of them.


What is the number of significant figures in measurement 77.09 meters?

The measurement 77.09m has four significant figures.


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Determine the number of significant figures in each measurement 12.90 s?

4 significant figures.Zeros are significant if they are between two non-zero numbers, or if they are "trailing" zeros in a number with a decimal point.Eg.0.000047 = 2 significant figures4.7000 = 5 significant figures


When multiplying and dividing measured quantities the number of significant figures in the result should be equal to the number of significant figures in what?

The number of significant figures should be equal to the significant figures in the least precise measurement.


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What concludes the number of significant figures that should be maintain in recording the measurement?

The accuracy of the measurement device determines the number of significant figures that should be retained in recording measurements.


Determine the number of significant digits in the measurement 70.00g?

The fact that there is a trailing zero and the number is not given as 70g is indicative that the number is accurate to the nearest hundredths. Therefore, it has four significant figures.


What is the rule you use to determine the number of significant figures in the results of addition and subtraction?

The least number of significant figures in any number of the problem determines the number of significant figures in the answer.


How do you determine how many significant figures to keep in an answer obtained by adding and subtracting?

The least number of significant figures in any number of the problem determines the number of significant figures in the answer.