There are two significant digits because leading zeros are not considered significant.
4 significant figures.
There are 3 significant figures in 94.2.
101330 has 6 significant figures.
4487 has four significant figures.
4 significant figures.
4 significant figures.
There are 4 significant figures in 0.0032. Seems to be only 2 significant figures in this number.
There are 3 significant figures in 94.2.
There are four significant figures in 0.1111.
There are four significant figures in 0.005120.
0.0375 has three significant figures.
101330 has 6 significant figures.
20.2 has three significant figures.
4487 has four significant figures.
There are two significant figures in 0.025.
5 significant figures.
That depends on how many significant figures you are talking about.If three significant figures then 700 is the largest that rounds to 700.If four significant figures are to be rounded to three significant figures then 700.4If five significant figures are to be rounded to three significant figures then 700.49If six significant figures are to be rounded to three significant figures then 700.499etc.