Without actually calculating, mentally round, multiply, and choose the best estimate. 1. 2872 12 = a.

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Without actually calculating, mentally round, multiply, and choose the best estimate.
1. 2872 × 12 =
a. 2872
b. 28,720
c. 287,200
d. 2,872,000
2. 706 × 409 =
a. 280
b. 2800
c. 28,000
d. 280,000

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Prealgebra

ISBN: 978-0321955043

7th edition

Authors: Elayn Martin Gay

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Question Posted: Feb 12, 2018 02:39 AM

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Without actually calculating, mentally round, multiply, and choose the best estimate. 1. 2872 12 = a.

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1 2872 12 is approximately 2872 ...View the full answer

Prealgebra

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