1000
921 rounded to the nearest ten thousand is 0. Rounded to the nearest thousand is 1000.
765
1000
438 rounded to the nearest hundred is 400. If rounded to the nearest thousand, it would be 0.
0
1000
1000
1000
128000
The number is not big enough to be rounded to the nearest thousand otherwise it would be zero
921 rounded to the nearest ten thousand is 0. Rounded to the nearest thousand is 1000.
765
1000
438 rounded to the nearest hundred is 400. If rounded to the nearest thousand, it would be 0.
It is 1000
1000.