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Estimate the sum of 54,249 + 378,819 by first rounding each number to the nearest ten thousand. A. 450,000 B. 440,000 C. 435,000 D. 430,000
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Estimate the sum of 54,249 + 378,819 by first rounding each number to the nearest ten thousand. A. 450,000 B. 440,000 C. 435,000 D. 430,000

User Khaled Garbaya
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Rounded to the nearest ten thousand:
54,249 ≈ 50,000
378,819 ≈ 380,000

54,249+ 378,819
≈ 50,000+ 380,000
= 430,000

The correct answer is D. 430,000~
User Costa Walcott
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