No it has three. If you wanted to write as five then you can write it either as 0.0012100 or 1.2100*10-3
3.14159265358979 to five significant figures is 3.1416
Five significant figures.
This number has five significant figures.
Five significant figures.
38.080C has five significant figures.
101.01 has exactly five significant figures.
3.14159265358979 to five significant figures is 3.1416
Five significant figures.
Five significant figures.
It has five significant figures.
Five significant figures.
Five significant figures.
Five significant figures.
223.4016 rounded five significant figures is 223.40
4 significant figures.
1,200.1 has five significant figures.
23,410 has four significant figures.