2
3 significant figures.
There are 2 significant figures in this number.
There are 4 significant figures in this number.
There are 3 significant figures in this number.
There are 2 significant figures in this measurement.
2
Three significant figures are in this number.
3 significant figures.
There are 4 significant figures in this number.
There are 2 significant figures in this number.
There are 4 significant figures in this number.
There are 3 significant figures in this number.
There are 3 significant figures in this number.
There are six significant figures in this number (i.e. all the figures here are significant).
There are 3 significant figures in this number.
The least number of significant figures in any number of the problem determines the number of significant figures in the answer.