That is correct.
Here are six significant figures.
Five: assuming that the trailing 0s are not there simply to fill up space.
5 significant figures.
3.0021 has five significant figures.
54,289.00 has seven significant figures and not five because a significant figure is any non-zero digit or any embedded or trailing zero. Leading zeros are not significant.
101.01 has exactly five significant figures.
3.14159265358979 to five significant figures is 3.1416
All five of them
It has five significant figures.
Five significant figures.
Five significant figures.
Five significant figures.
Five significant figures.
223.4016 rounded five significant figures is 223.40
38.080C has five significant figures.
1,200.1 has five significant figures.
This number has five significant figures.