How many significant figures does 3.140 have?
4 significant figures
The digits that count: 3140
Why
- →Every non-zero digit is significant.
- →Trailing zeros after a decimal point record precision, so they are significant.
3.140 rounded
| Significant figures | Result |
|---|---|
| 1 | 3 |
| 2 | 3.1 |
| 3 | 3.14 |