Mr. Roberts built a levee averaging 1.6 feet high, 4.4 feet wide, and 8,675 feet long. He used an earth scraper with a capacity of 9 yards to help build the levee. To get the dirt, he lowered the field 6 inches with the scraper.
a. Express the yards of dirt in the levee using scientific notation with one decimal place.
b. How many yards of dirt were moved? (Note: Do not forget that the field is lowered.)
c. How many trips were made with the earth scraper?
a. 2.3 × 103 yd2
b. 1,555 yd2
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