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Estimate the product of 3.9 and 4.6 using mental math. Explain the method you used
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Estimate the product of 3.9 and 4.6 using mental math. Explain the method you used

User Stryba
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The etimated answer would be 20. The method that I used is I rounded 3.9 to 4 and 4.6 to 5 and then I mutiplied. Hope I helped
User Tomer Levinboim
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