Analysis Exercises - Multiplying and Dividing
Numbers
Answer each of the questions about significant
figures.
1.
The length of a football field is measured to be 300.01 feet, while the
width is measured to be 159.98 feet. How many significant figures will the
area of the football field have?
The length of the above football field (300.01 feet) is converted to yards
by dividing by 3 feet/yard. How many significant figures will the length have
when it is expressed in inches?
The length of the football field (300.01 feet) is converted to centimeters
by multiplying by 30.5 centimeters/foot. How many significant figures will
the length have when it is expressed in centimeters?
A year is 356.25 days, and a decade has exactly 10 years in it. How many
significant figures should you use to express the number of days in two decades?