2
The zeros don't count when they are all in a row like that at the right side of the number.
How many significant figures are in 20.8
3 significant figures.
4 significant figures.
3 significant figures.
Six significant figures.
There is no way to know how many significant digits are in 33000. If you are forced to choose then there are 2 significant digits but, again, there is really no way to tell. If the count of significant digits is important, the number should be expressed in scientific notation.
How many significant figures are in 20.8
There are 3 significant figures in 94.2.
3 significant figures.
4 significant figures.
5 significant figures.
4 significant figures.
3 significant figures.
There are four significant figures in 0.1111.
4 significant figures.
How many significant figures are in 13001kg
4 significant figures.