3,000
There are 1000 millimetres in one metre. Therefore, 3.23 metres is equal to 3.23 x 1000 = 3230 millimetres.
736 to the nearest 1000, is 1000.
850 to the nearest thousand is 1000
1000
1000
1000
1000
1000
1000
1000
To the nearest 10 is 710 To the nearest 100 is 700 To the nearest 1000 is 1000