1000 is 994 rounded up to the nearest 100.
460
If you mean 324,650 then rounded up to the nearest thousand it is 325,000
1000
The answer is 4,000
1000
The nearest ten to 456 is 460. When rounding a number to the nearest ten, you look at the digit in the tens place. If the digit in the ones place is 5 or greater, you round up; if it is less than 5, you round down. In this case, 456 is closer to 460 than to 450.
308 rounded to the nearest tens place is 310. 308 rounded to the nearest 100s place is 300. It cannot be rounded to the nearest 1000s place.
1000
0
1000
952 rounded to the nearest hundred is 1000.