Here are six significant figures.
5 significant figures.
Five: assuming that the trailing 0s are not there simply to fill up space.
3.0021 has five 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.
101.01 has exactly five significant figures.
3.14159265358979 to five significant figures is 3.1416
There are five significant figures in 10.002.
Five significant figures.
Five significant figures.
It has five significant figures.
Five significant figures.
Five significant figures.
223.4016 rounded five significant figures is 223.40
1,200.1 has five significant figures.
Five significant figures.
38.080C has five significant figures.