Final answer:
The number of eggs in a basket can be determined exactly, the mass of a dozen eggs must be measured with some degree of uncertainty, the number of gallons of gasoline necessary to fill an automobile gas tank must be measured with some degree of uncertainty, the number of centimeters in 2 meters can be determined exactly, the mass of a textbook must be measured with some degree of uncertainty, and the time required to drive from San Francisco to Kansas City at an average speed of 53 mi/h can be determined exactly.
Step-by-step explanation:
(a) The number of eggs in a basket can be determined exactly by physically counting the eggs. There is no uncertainty in this measurement.
(b) The mass of a dozen eggs must be measured with some degree of uncertainty. The mass of each individual egg may vary slightly, so the mass of a dozen eggs is an average value that can have a small degree of uncertainty.
(c) The number of gallons of gasoline necessary to fill an automobile gas tank must be measured with some degree of uncertainty. The gas tank may not be completely empty or completely full, and there may be some variation in the accuracy of the measuring equipment.
(d) The number of centimeters in 2 meters can be determined exactly. There are 100 centimeters in 1 meter, so there are 200 centimeters in 2 meters.
(e) The mass of a textbook must be measured with some degree of uncertainty. The mass may vary slightly depending on factors such as the type of paper used or any additional materials in the textbook.
(f) The time required to drive from San Francisco to Kansas City at an average speed of 53 mi/h can be determined exactly. The distance between San Francisco and Kansas City can be measured and divided by the average speed to calculate the exact time.