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13-09-2021
Mathematics

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Sarah found that the product of 49 and 805 is 3,165. How would finding an estimate help her know that the answer is NOT reasonable?

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13-09-2021

Answer: If one takes 50 x 80 the product is 4000. So, by adding another digit, making it 5 digits, it would be unreasonable to explect an answer with 4.

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