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What is the rounding or compatible numbers to estimate the sum of 256+321

What is the rounding or compatible numbers to estimate the sum of 256+321
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What is the rounding or compatible numbers to estimate the sum of 256+321

User Prashant Kankhara
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1 Answer

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256 is about 270. 321 is about 320.

Add 270 and 320.

You have about 590.

User Goon Nguyen
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