3
10 significant figures.
80.07749999999999
4
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
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
10 significant figures.
80.07749999999999
3 of them.
The least number of significant figures in any number of the problem determines the number of significant figures in the answer.
4
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
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 273.8
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 270.8
It might have been possible to answer the question if the "following" multiplication had followed. But since you did not bother to make sure that it did, I cannot provide a more useful answer.
2.6
The number 0.0950 has 3 significant figures. Those are the 9, 5, and final 0. The first two zeros on the left, are not significant.