1400
When rounding 1408 to the nearest 1000, we look at the hundreds place, which is 4. Since 4 is less than 5, we round down. Therefore, 1408 rounded to the nearest 1000 is 1000.
80,000 is already rounded to the nearest hundreds.
500
0
0
3600
8500
3571000
6248000
2600
200
40000