- Determine the two consecutive multiples of 10 that bracket 4,311.90221
- 4,311.90221 is between 4,310 and 4,320
- 4,315 is the midpoint between 4,310 and 4,320
- As illustrated on the number line, 4,311.90221 is less than the midpoint (4,315)
- Therefore, 4,311.90221 rounded to the nearest ten = 4,310
