- Determine the two consecutive multiples of 10 that bracket 99
- 99 is between 90 and 100
- 95 is the midpoint between 90 and 100
- As illustrated on the number line, 99 is greater than the midpoint (95)
- Therefore, 99 rounded to the nearest ten = 100


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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