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.
There are 1000 metres in one kilometre. Therefore, 736 metres is equal to 736/1000 = 0.736 kilometres.
736
700
700
Oh, what a happy little question! To round 736 to the nearest 100, we look at the tens place, which is 30. Since 30 is closer to 0 than 100, we round down to 700. Just remember, there are no mistakes in rounding, only happy little accidents!
740
1000
1000
1000
1000
1000
1000