| A | B |
|---|
| If the number following the last significant place value is less than five (ex. 20.32) | Round down (drop all numbers following the last sig fig) (ex. 20.3) |
| If the number following the last significant place value is greater than five (ex. 20.36) | Round up (ex. 20.4) |
| If the number following the last significant place value is five and there are other numbers following the five (ex. 20.35482) | Round up (ex. 20.4) |
| If the number following the last significant place value is five and there are NO other numbers following the five, check the number before the five (ex #1 20.35) | Round up if the number is odd. (ex#1 20.4) |
| If the number following the last significant place value is five and there are NO other numbers following the five, check the number before the five (ex #2 20.25) | Round down if the number is even. (ex#2 20.2) |
