3000
1000
1000
1000
921 rounded to the nearest ten thousand is 0. Rounded to the nearest thousand is 1000.
Since 2735 is an integer, it is already rounded to the nearest fractional part. Rounding the number to the nearest 10 would give 2740.
2700
3000
2700
3000 of course
1000
1000
1000
1000
176 rounded to the nearest 1000 is 0
1000
0