- Determine the two consecutive multiples of 10 that bracket 423
- 423 is between 420 and 430
- 425 is the midpoint between 420 and 430
- As illustrated on the number line, 423 is less than the midpoint (425)
- Therefore, 423 rounded to the nearest ten = 420


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