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421 × 18 ≈ 400 × ____ = ____
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421 × 18 ≈ 400 × ____ = ____

User Behnam Safari
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I think the answer is 421 * 18 ~~ 400 * 20 = 8,000, but I am not sure.
User Christopher Rogers
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Answer:

421 × 18 ≈ 400 × 20 = 8,000

Explanation:

Round 421 to the nearest hundred...421≈ 400

Round 18 to the nearest ten...18≈ 20

Multiply

User Kmansoor
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