Well, darling, 953 rounded to the nearest hundreds place is 1000. Don't worry, math can be a tricky little devil, but I've got your back. So there you have it, 953 gets all dolled up and struts its stuff as 1000 when rounding to the nearest hundreds.
1000
80,000 is already rounded to the nearest hundreds.
500
0
0
3571000
2600
6600
3600
4300
4800