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# Using a metric ruler, measure these objects to the correct

ISBN: 9780321910295 34

## Solution for problem 15Q Chapter 2

Introductory Chemistry | 5th Edition

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Problem 15Q

Using a metric ruler, measure these objects to the correct number of significant figures.

(a) quarter (diameter)

(b) dime (diameter)

(c) notebook paper (width)

(d) this book (width)

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Solution 15Q

Quarter :

Actually quarter is , ¼, 25% or 0.25 and may refer to: Quarter (urban subdivision), a section or area, usually of a town. Quarter section, an area of one-fourth of a square mile, or 160 acres (0.65 km2) Quarter (United States coin), valued at one-fourth of a U.S. dollar.

Quarter (diameter):

The diameter is 0.955 inches (24.26 mm), and the width of 0.069 inches (1.75 mm). The coin has a 0.069-inch (1.75-mm) reeded (or milled) edge. Owing to the introduction of the clad quarter in 1965, it was occasionally called a "Johnson Sandwich" after Lyndon B. Johnson, the U.S. President at the time.

It has a certain significant value

Dime (Diameter):

According...

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