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)
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.
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