Concept explainers
Interpretation: The digits after decimal point should to be calculated.
Concept introduction: Scientific notation is quantitative information is called a measurement and exists of a number and a unit. By using scientific notation too large or too small numbers are conveniently expressed.
Answer to Problem 30A
When calculation of
Explanation of Solution
All measurements have some uncertainty that is reflected by number of significant figures used to express the number.
The given digits are
Calculations of these digits are as follows:
121.2 carry only one decimal place. Thus after decimal point the answer should be reported to one decimal point.
Answer should be reported to one decimal point.
Chapter 5 Solutions
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