Describe how to use the estimated difference to figure out if the difference in ERAs you found is reasonable. Answer in 3 complete sentences.

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Slava Bacherikov · Answer 1 · 2021-11-09T14:32:26+0000

Answer:

Perform the actual multiplication problem either by hand or with a calculator. In this example, students would multiply 21 times 31 to get 651. Subtract the smaller number from the larger one to check for reasonableness. In this example, you would subtract 600 from 651 to get 51.

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Describe how to use the estimated difference to figure out if the difference in ERAs you found is reasonable. Answer in 3 complete sentences.

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