Which of the following is not an exact number?
A)The number of seconds in a year.
B)The number of millimeters in a kilometer.
C)The number of liters in a gallon.
D)The number of centimeters in an inch.
E)The number of grams in a kilogram.

Question

Quizplus · Accepted Answer

The number of liters in a gallon is not an exact number as it depends on the standard used for the gallon (e.g. US gallon vs UK gallon) and the temperature and pressure conditions. The other options are exact numbers with established values.

Which of the Following Is Not an Exact Number