- The number 1.0800 has 5 significant figures
Explanation:
We will count the significant digits for this number:
1.0800
General rule: 'significant figures are any non-zero digits or trapped zeros. They do not include leading or trailing zeros'(*).
The number of significant digits can be identified by counting all the values starting from the 1st non-zero digit located on the left. So, counting these numbers, we find that the number of significant figures in 1.0800 is 5.
The significant figures of 1.0800 are '1 0 8 0 0'.
Details on counting significant figures for 1.0800
- Trailing zeros after the decimal are significant. So, 800 is significant, not only 8. 800 makes it clear that the measurement is precise to 4 decimal places.
- 1.0800 is written in 'e' notation as 1.0800e+0 or 1.0800e0
- 1.0800 is written in scientific notation as
1.0800 × 100
