To round 391 to the nearest ten, we look at the digit in the tens place, which is 9. Since 9 is greater than or equal to 5, we round up. So, 391 rounded to the nearest ten is 400.
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400
Nearest ten THOUSAND : 40000. Nearest ten THOUSANDTH : 43678.4268.
To the nearest ten thousandths, 582.0910 To the nearest ten thousands, zero
1394 to the nearest ten is 1390.
To the nearest ten thousandth, 12.1756 To the nearest ten thousand, zero.