It is 123000.
1000
1000
1000
736 to the nearest 1000 is 1000. When rounding to the nearest 1000, you look at the hundreds place of the number in question. Since the hundreds place in 736 is less than 500, you round down to the nearest 1000, which is 1000.
57000
56572.37 → 56500 to the nearest 500
It is 123000.
57000
1000
1000
1000
1000
1000
1000
736 to the nearest 1000 is 1000. When rounding to the nearest 1000, you look at the hundreds place of the number in question. Since the hundreds place in 736 is less than 500, you round down to the nearest 1000, which is 1000.
It is: 500 to the nearest 100 but zero to the nearest 1000