Round 1,678 to the nearest thousand
2000
1000
1678 to the nearest tens place = 1,680
1700
kilo = 1000 so 1 kilolitre = 1000 litres and so 1678 kL = 1678000 L. Simple!
736 to the nearest 1000, is 1000.
850 to the nearest thousand is 1000
1000
1000
1000
1000
1000
1000
1000