Explain how you know that 27•97 must be less than 3,000 before you do the actual computation?

Question

Harper Ellis

Mathematics

19 November, 22:28

Explain how you know that 27•97 must be less than 3,000 before you do the actual computation?

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Valerie · Answer 1

27 * 97 must be less than 3000 because you can round the numbers up. 27 - > 30 and 97-> 100. Now, 30 times 100 is 3000, so the number must be less than 3000