A botany student counted 11 blades of grass in one square centimeter of lawn and measured the lawn as a rectangle 61 m by 31 m. She reported that there were 208,010,000 blades of grass in the lawn. The precision of her conclusion
A) correctly represents her measurements.
B) is less than her measurements warrant.
C) could be greater if she used a more precise calculator.
D) is excessive given her measurements.

Question

Quizplus · Accepted Answer

The precision of her conclusion is excessive because she calculated the number of blades of grass to a very precise number (208,010,000) based on an initial count of only 11 blades per square centimeter, which is not precise enough to justify such an exact total count.

A Botany Student Counted 11 Blades of Grass in One