1, because it may be written as 6 e2.
When rounded to four significant figures, 417.32 g would be 417.3 g.
5 To the tenth of a milligram = 5.0000 g
There are two significant figures in the measurement 3300g.
That measurement has 4 significant figures. It could also be stated as 1.580 x 10^-3.
32 g ethanol is equivalent to 0,695 moles.
There are 3 significant figures in 0.0000246 g.
There are 2 significant figures in this measurement.
The product of 0.12 g, 1.8 g, and 0.562 g should have the same number of significant figures as the measurement with the fewest significant figures, which is 0.12 g in this case. Therefore, the product should be expressed with two significant figures.
2 significant figures.
2 significant figures.
143 g has three significant figures. The leading zeros are not considered significant.
2 of them.
6 of them.
5
4 of them.
5 of them.
Three.