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Question
Give a rough estimate (by rounding off to nearest hundreds) and also a closer estimate (by rounding off to nearest tens):
4853 + 662
Sum
Solution
Rounding off to the nearest hundreds
4853 + 662 = 4800 + 700
= 5500
Rounding off to the nearest tens
4853 + 662 = 4850 + 660
= 5510
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