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Work out an estimate for 31 times 9.87 over 0.509
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4 votes
Work out an estimate for 31 times 9.87 over 0.509

User Dmedvinsky
by
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1 Answer

3 votes

Answer:

620

Explanation:

9.87 is about 10 and 0.509 is about 0.5

(31 * 10) / 0.5 = about 620

User Nypan
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