1 of them.
1.200 has the greatest number of significant figures (four). 12000 has two significant figures. A significant figure is any non-zero digit or any embedded or trailing zero. Leading zeros are not significant.
1000.01 has six significant figures. A significant figure is any non-zero digit or any embedded or trailing zero. Leading zeros are not significant.
0.020 has two significant figures. A significant figure is any non-zero digit or any embedded or trailing zero. Leading zeros are not significant.
50.6010 has six significant figures. A significant figure is any non-zero digit or any embedded or trailing zero. Leading zeros are not significant.
23.16492 has seven significant figures. A significant figure is any non-zero digit or any embedded or trailing zero. Leading zeros are not significant.
0.003 has one significant figure. A significant figure is any non-zero digit or any embedded or trailing zero. Leading zeros are not significant.
1.200 has the greatest number of significant figures (four). 12000 has two significant figures. A significant figure is any non-zero digit or any embedded or trailing zero. Leading zeros are not significant.
9.0 has two significant figures. A significant figure is any non-zero digit or any embedded or trailing zero. Leading zeros are not significant.
27.304 has five significant figures. A significant figure is any non-zero digit or any embedded or trailing zero. Leading zeros are not significant.
40.00 has four significant figures. A significant figure is any non-zero digit or any embedded or trailing zero. Leading zeros are not significant.
1.500 has four significant figures. A significant figure is any non-zero digit or any embedded or trailing zero. Leading zeros are not significant.
9218 has four significant figures. A significant figure is any non-zero digit or any embedded or trailing zero. Leading zeros are not significant.
12 has two significant figures. A significant figure is any non-zero digit or any embedded or trailing zero. Leading zeros are not significant.
206 has three significant figures. A significant figure is any non-zero digit or any embedded or trailing zero. Leading zeros are not significant.
1.068 has four significant figures. A significant figure is any non-zero digit or any embedded or trailing zero. Leading zeros are not significant.
11 has two significant figures. A significant figure is any non-zero digit or any embedded or trailing zero. Leading zeros are not significant.
5.00 has three significant figures. A significant figure is any non-zero digit or any embedded or trailing zero. Leading zeros are not significant.