- Determine the two consecutive multiples of 10 that bracket 521
- 521 is between 520 and 530
- 525 is the midpoint between 520 and 530
- As illustrated on the number line, 521 is less than the midpoint (525)
- Therefore, 521 rounded to the nearest ten = 520


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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