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Concept explainers
(a)
Interpretation:
The significant figures for the given measurement have to be determined.
Concept introduction:
Significant figures: The digits having a meaning in a given number are called as significant figures.
Significant figures – calculation rules
- Significant figure is a non-zero number (4443.2 has five significant figures)
- Zeros placement in between non-zero number are significant figures (40005 has five significant figures).
- Zeros before the non-zero number are not significant number (0.00040005 has five significant figures).
- Zeros after the non-zero number are significant in case of that number contains decimal point (4.5000 has five significant figures).
- Zeros after the non-zero number may or may not be a significant figure in case of that number does not have a decimal point (500 may have 1, 2 or 3 significant figures). In this cases use scientific notation to avoid ambiguity.
(b)
Interpretation:
The significant figures for the given measurement have to be determined.
Concept introduction:
Significant figures: The digits having a meaning in a given number are called as significant figures.
Significant figures – calculation rules
- Significant figure is a non-zero number (4443.2 has five significant figures)
- Zeros placement in between non-zero number are significant figures (40005 has five significant figures).
- Zeros before the non-zero number are not significant number (0.00040005 has five significant figures).
- Zeros after the non-zero number are significant in case of that number contains decimal point (4.5000 has five significant figures).
- Zeros after the non-zero number may or may not be a significant figure in case of that number does not have a decimal point (500 may have 1, 2 or 3 significant figures). In this cases use scientific notation to avoid ambiguity.
(c)
Interpretation:
The significant figures for the given measurement have to be determined.
Concept introduction:
Significant figures: The digits having a meaning in a given number are called as significant figures.
Significant figures – calculation rules
- Significant figure is a non-zero number (4443.2 has five significant figures)
- Zeros placement in between non-zero number are significant figures (40005 has five significant figures).
- Zeros before the non-zero number are not significant number (0.00040005 has five significant figures).
- Zeros after the non-zero number are significant in case of that number contains decimal point (4.5000 has five significant figures).
- Zeros after the non-zero number may or may not be a significant figure in case of that number does not have a decimal point (500 may have 1, 2 or 3 significant figures). In this cases use scientific notation to avoid ambiguity.
(d)
Interpretation:
The significant figures for the given measurement have to be determined.
Concept introduction:
Significant figures: The digits having a meaning in a given number are called as significant figures.
Significant figures – calculation rules
- Significant figure is a non-zero number (4443.2 has five significant figures)
- Zeros placement in between non-zero number are significant figures (40005 has five significant figures).
- Zeros before the non-zero number are not significant number (0.00040005 has five significant figures).
- Zeros after the non-zero number are significant in case of that number contains decimal point (4.5000 has five significant figures).
- Zeros after the non-zero number may or may not be a significant figure in case of that number does not have a decimal point (500 may have 1, 2 or 3 significant figures). In this cases use scientific notation to avoid ambiguity.
(e)
Interpretation:
The significant figures for the given measurement have to be determined.
Concept introduction:
Significant figures: The digits having a meaning in a given number are called as significant figures.
Significant figures – calculation rules
- Significant figure is a non-zero number (4443.2 has five significant figures)
- Zeros placement in between non-zero number are significant figures (40005 has five significant figures).
- Zeros before the non-zero number are not significant number (0.00040005 has five significant figures).
- Zeros after the non-zero number are significant in case of that number contains decimal point (4.5000 has five significant figures).
- Zeros after the non-zero number may or may not be a significant figure in case of that number does not have a decimal point (500 may have 1, 2 or 3 significant figures). In this cases use scientific notation to avoid ambiguity.
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Chapter 1 Solutions
EBK GENERAL CHEMISTRY: THE ESSENTIAL CO
- ChemistryChemistryISBN:9781305957404Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCostePublisher:Cengage LearningChemistryChemistryISBN:9781259911156Author:Raymond Chang Dr., Jason Overby ProfessorPublisher:McGraw-Hill EducationPrinciples of Instrumental AnalysisChemistryISBN:9781305577213Author:Douglas A. Skoog, F. James Holler, Stanley R. CrouchPublisher:Cengage Learning
- Organic ChemistryChemistryISBN:9780078021558Author:Janice Gorzynski Smith Dr.Publisher:McGraw-Hill EducationChemistry: Principles and ReactionsChemistryISBN:9781305079373Author:William L. Masterton, Cecile N. HurleyPublisher:Cengage LearningElementary Principles of Chemical Processes, Bind...ChemistryISBN:9781118431221Author:Richard M. Felder, Ronald W. Rousseau, Lisa G. BullardPublisher:WILEY
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