How many significant figures are in the measurement 0.020 km?
1 Answer
Sep 11, 2016
Two significant figures.
Explanation:
0.020 has two significant figures.
The 2 is significant because all non-zero numbers are signficant.
The second 0 is significant because all zeros at the end of a decimal are significant.
The other zeros are not significant, because they are just place holders.
