It is: 5000
5000
0.0053
1000
1000
0.0039
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