674 rounded to the nearest ten is 670.
1350
650
3220
450
To the nearest ten thousand, 10000
4560
71090
860
To round 3452 to the nearest ten, we look at the digit in the tens place, which is 5. Since 5 is greater than or equal to 5, we round up. Therefore, 3452 rounded to the nearest ten is 3460.
10
250