- Determine the two consecutive multiples of 10 that bracket 42,645
- 42,645 is between 42,640 and 42,650
- As illustrated on the number line, 42,645 is the midpoint between 42,640 and 42,650
- Therefore, 42,645 rounded to the nearest ten = 42,650

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