Five. Count from the first nonzero digit to the last nonzero digit.
10 significant figures.
In which one of the following is the number correctly rounded to three significant figures?
3 of them.
80.07749999999999
The least number of significant figures in any number of the problem determines the number of significant figures in the answer.
3
4
The least number of significant figures in any number of the problem determines the number of significant figures in the answer.
The least number of significant figures in any number of the problem determines the number of significant figures in the answer which in this case is 656.64
The least number of significant figures in any number of the problem determines the number of significant figures in the answer which in this case is 270.9
5 of them.
6 of them.