It is: 500 to the nearest 100 but zero to the nearest 1000
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1000 grams = 1 kilogram so 482 g = 482/1000 kg = 0.482 kg. Simple!
736 to the nearest 1000, is 1000.
If you need to round to the hundreds, it means that the number must end with 00. In this case 482 379 can be rounded to 482 300 or 482 400. The nearest is 482400:482400-482379 = 21 units from de upper hundred482379-482300 = 79 units from de lower hundred
850 to the nearest thousand is 1000
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