1678 to the nearest 1000 would be 2000. This is because 1678 is closer to 2000 than it is to 1000. When rounding to the nearest 1000, you look at the hundreds place - in this case, the hundreds place is 6, which is closer to 10 (in 2000) than to 0 (in 1000).
1678 to the nearest tens place = 1,680
1700
kilo = 1000 so 1 kilolitre = 1000 litres and so 1678 kL = 1678000 L. Simple!
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It is: 500 to the nearest 100 but zero to the nearest 1000
To the nearest ten, 980 To the nearest hundred, 1000
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