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.
There are 2 significant figures.
104 in 2 significant figures is 1.0e2
2 significant figures.
2 significant figures.
2 significant figures.
2 significant figures: 5 and 6.
There are two significant figures in 0.025.
there are 2 significant figures in 21000 2 & 1 are the significant figures.
2 significant figures.
There are 2 significant figures.
There are 4 significant figures in 0.0032. Seems to be only 2 significant figures in this number.
2 significant figures.
0.04567 to 2 significant figures is 0.046
104 in 2 significant figures is 1.0e2
There are two significant figures in 0.00013.
2 significant figures.
2 significant figures.