Which is an example of a situation where a zero is not considered to be a
significant digit?

A. When it is to the right of the decimal point, as in 4.20
B. When it is obtained by rounding, as in 3.0
C. When it is between a two non-zero digits, as in 415.505
D. When it comes at the beginning of a number, as in 0.54.

Select the correct text in the passage. which sentences describe examples of sustainable living? i live in an old apartment building downtown, but my company is based in an office park on the outskirts of the city. i drive an old car that needs to be replaced. i plan to buy a hybrid for better gas mileage, but for now i am able to carpool with a couple of friends from work. the drive to the office park is about 45 minutes each way, but we do get to work in a modern building. the architects just received a leed certification for the design.