- Determine the two consecutive multiples of 10 that bracket 84
- 84 is between 80 and 90
- 85 is the midpoint between 80 and 90
- As illustrated on the number line, 84 is less than the midpoint (85)
- Therefore, 84 rounded to the nearest ten = 80

The solution above and other related solutions were provided by the Round to the Nearest Ten with a Number Line Application.