To round 7649 to the nearest thousands, we look at the hundreds place, which is 6 in this case. Since 6 is greater than or equal to 5, we round up the thousands place by adding 1 to it. Therefore, 7649 rounded to the nearest thousands is 8000.
7600
80,000 is already rounded to the nearest hundreds.
500
0
0
3571000
2600
6600
3600
4300
4800