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Answer: Determining the Number of Significant Figures in a

Chemistry: The Central Science | 13th Edition | ISBN: 9780321910417 | Authors: Theodore E. Brown; H. Eugene LeMay; Bruce E. Bursten; Catherine Murphy; Patrick Woodward; Matthew E. Stoltzfus ISBN: 9780321910417 77

Solution for problem 1PE Chapter 1.7SE

Chemistry: The Central Science | 13th Edition

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Chemistry: The Central Science | 13th Edition | ISBN: 9780321910417 | Authors: Theodore E. Brown; H. Eugene LeMay; Bruce E. Bursten; Catherine Murphy; Patrick Woodward; Matthew E. Stoltzfus

Chemistry: The Central Science | 13th Edition

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Problem 1PE

Determining the Number of Significant Figures in a Measurement

How many significant figures are in each of the following numbers (assume that each number is a measured quantity)? (a) 4.003, (b) 6.023 * 1023, (c) 5000.

Sylvia feels as though she may have a fever. Her normal body temperature is 98.7 °F. She measures her body temperature with thermometer placed under her tongue and gets a value of 102.8 °F. How many significant figures are in this measurement?

(a) Three, the number of degrees to the left of the decimal point; (b) four, the number of digits in the measured reading; (c) two, the number of digits in the difference between her current reading and her normal body temperature; (d) three, the number of digits in her normal body temperature; (e) one, the number of digits to the right of the decimal point in the measured value.

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Textbook: Chemistry: The Central Science
Edition: 13
Author: Theodore E. Brown; H. Eugene LeMay; Bruce E. Bursten; Catherine Murphy; Patrick Woodward; Matthew E. Stoltzfus
ISBN: 9780321910417

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Answer: Determining the Number of Significant Figures in a