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Help!! Would the sum of 5.7 cm and 6.2 cm need to be rounded? Why or why not?

User Mlecar
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1 Answer

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5.7 + 6.2 = 11.9 You can round it, but you don't need to. Really. Round it becomes 12. Then its more clear. But if you don't round, it is more exact.
User Anver Sadhat
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