one
140
How many significant figures are in 20.8
3 significant figures.
4 significant figures.
140 This is because you take the first two numbers (in this case, they are 100 and 30) and these are the first two figures. You then round the 30 to a 40, because of the 8. This then gives you 140.
140 has 2 significant figures.
0.0021
140
0.9655
How many significant figures are in 20.8
There are 3 significant figures in 94.2.
There are four significant figures in 0.1111.
4 significant figures.
5 significant figures.
4 significant figures.
3 significant figures.
3 significant figures.