3 years ago

Explain howyou wouldestimateto subtract 189 from 643

Mathematics

1 answer:

kupik [55]3 years ago

6 0

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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