dreyes5234 dreyes5234

11-08-2018
Mathematics

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Explain howyou wouldestimateto subtract 189 from 643

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Supernova Supernova

11-08-2018

I would estimate 643 - 189 by rounding 643 to the tens place and 189 to the hundreds place.

643 => 640

189 => 200

Now you can subtract 200 from 640.

640 - 200 = 440

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