Determine the number of significant figures in each measurement. Then, choose the representation of the number where x is in place of the estimated digit from the measurement. Number of Measurement Estimated Digit Significant Figures 14.8 m Choose... 3 $10.25 Choose... 4 0.05 L Choose... 1.000 g/mL Choose.. Choose... 6200 cm Choose... 403 kg 3
Determine the number of significant figures in each measurement. Then, choose the representation of the number where x is in place of the estimated digit from the measurement. Number of Measurement Estimated Digit Significant Figures 14.8 m Choose... 3 $10.25 Choose... 4 0.05 L Choose... 1.000 g/mL Choose.. Choose... 6200 cm Choose... 403 kg 3
Chemistry: Principles and Practice
3rd Edition
ISBN:9780534420123
Author:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer
Publisher:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer
Chapter1: Introduction To Chemistry
Section: Chapter Questions
Problem 1.20QE: If you repeat the same measurement many times, will you always obtain exactly the same result? Why...
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Step 1 Significant figure and estimated digit
Digits that shows contribution for the accuracy in value we count it as significant figure.
There are 3 rules to determine the significant figure.
1 All non zero digits are significant
2 if there is zero between two significant figure then it is also counted as significant
3 Trailing zero are significant ( if the no is decimal)
Estimated digit
There is some estimated value in all measurements. eg in 123, the digit 12 is exact value and 3 is the estimated value
that 3 is termed as estimated digit.
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