The number 0 has one significant figure. Therefore, any zeros after the decimal point are also significant. Example: 0.00 has three significant figures. Any numbers in scientific notation are considered significant.
What are the sig fig rules for zeros?
Significant Figures
- All non-zero numbers ARE significant. ...
- Zeros between two non-zero digits ARE significant. ...
- Leading zeros are NOT significant. ...
- Trailing zeros to the right of the decimal ARE significant. ...
- Trailing zeros in a whole number with the decimal shown ARE significant.
Does .0 count as a decimal place?
If a zero is behind a decimal and is trailing a non-zero, then it is significant. E.g. 5.00 - 3 significant figures. If a zero is leading a number, before or after the decimal, it is not significant. ... If a zero is trailing a non-zero digit, but it is not behind a decimal, it is not significant.
