1, because it may be written as 6 e2.
1-4
5 To the tenth of a milligram = 5.0000 g
417.3 g
0.0251
32 g ethanol is equivalent to 0,695 moles.
That measurement has 4 significant figures. It could also be stated as 1.580 x 10^-3.
There are 2 significant figures in this measurement.
2 significant figures.
2 significant figures.
2 of them.
5
6 of them.
5 of them.
Three.
There are two significant figures.
4 of them.
there are 5 significant figures
2 of them.