2 significant figures.
3 of them.
2300 mm = 2300 x 10-3 m = 2,300 m = 2,3 m which is smaller than 22 m 2300 mm < 22 m
110.1mm
No; it is less.
2 significant figures.
There are 6 significant figures in this length.
There are 3 significant figures in this number.
3 significant figures.
2 of them.
4
4. The zeroes to the left are not significant, the zero to the right, is.
111.009 mm rounded off to four significant figures is 111.0
3 of them.
The least number of significant figures in any number of the problem determines the number of significant figures in the answer.
No. 2300 mm = 2.3 m.
2300 mm = 2300 x 10-3 m = 2,300 m = 2,3 m which is smaller than 22 m 2300 mm < 22 m