How do you round to 3 significant figures?
- To round to three significant figures, look at the fourth significant figure. It’s a 5 , so round up.
- To round to four significant figures, look at the fifth significant figure. It’s a 1 , so round down.
- To round to two significant figures, look at the third significant figure. It’s an 8 , so round up.
How many decimal places is 3 significant figures?
Rounding to significant figures
| Precision | Rounded to significant figures | Rounded to decimal places |
|---|---|---|
| 4 | 12.34 or 12.35 | 12.3450 |
| 3 | 12.3 | 12.345 |
| 2 | 12 | 12.34 or 12.35 |
| 1 | 10 | 12.3 |
How many is 3 significant figures?
For example, 1300 with a bar placed over the first 0 would have three significant figures (with the bar indicating that the number is precise to the nearest ten). The last significant figure of a number may be underlined; for example, “2000” has two significant figures. A decimal point may be placed after the number.
How many significant figures does 0.50 have?
How Many Significant Figures?
| Number | Scientific Notation | Significant Figures |
|---|---|---|
| 0.50 | 5.0×10-1 | 2 |
| 0.00120 | 1.2×10-3 | 3 |
| 0.008 | 8.0×10-3 | 1 |
| 0.01 | 1.0×10-1 | 1 |
How many significant figures are there in 5000?
four significant digits
How many significant digits does 6000 have?
| Case | Examples | |
|---|---|---|
| Zeros on the right of the first non-zero digit | 0.03800 | 4 |
| are significant | 3,6000,000 | 7 |
| Zeros on the left of the first non-zero digit | 0.006 | 1 |
| are not significant | 0.0352 | 3 |
How many significant figures does 400 have?
three significant digits
What is 1000 to 3 significant figures?
To express a number like 1000 to 2 or 3 significant figures, you need to use scientific notation, for example, “1.00e3” would give you 3 significant figures.