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1. a. Use the distributive property several times to show why (10 + 2) (10 + 4) =10 10+ 10-4 + 2.10+ 2.4 b. Draw an array to show why (10 + 2) (10 + 4) 10+ 10.4 +2.10+ 2.4 =10

1. a. Use the distributive property several times to show why (10 + 2) (10 + 4) =10 10+ 10-4 + 2.10+ 2.4 b. Draw an array to show why (10 + 2) (10 + 4) 10+ 10.4 +2.10+ 2.4 =10

Algebra and Trigonometry (6th Edition)
Algebra and Trigonometry (6th Edition)
6th Edition
ISBN:9780134463216
Author:Robert F. Blitzer
Publisher:Robert F. Blitzer
ChapterP: Prerequisites: Fundamental Concepts Of Algebra
Section: Chapter Questions
Problem 1MCCP: In Exercises 1-25, simplify the given expression or perform the indicated operation (and simplify,...
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Done 6 of 6 a tills HGW Hur tiplication problem, 20-35, should have the same answer as 21 34. Is SunJae right? How might you convince him that his reasoning is or is not cor- rect in a way other than simply showing him the answers to the two multiplication problems? 11. a. Use the distributive property several times to show why (10 + 2) (10 + 4) =10 10+ 10-4+2-10+ 2.4 b. Draw an array to show why (10+2) (10 + 4) = 10 10+ 10.4+2 10+ 2.4 c. Relate the steps in your equations in part (a) to your array in part (b). 12. In Section 4.2, we drew pictures of bundled objects to explain why multiplication by 10 shifts
Transcribed Image Text:Done 6 of 6 a tills HGW Hur tiplication problem, 20-35, should have the same answer as 21 34. Is SunJae right? How might you convince him that his reasoning is or is not cor- rect in a way other than simply showing him the answers to the two multiplication problems? 11. a. Use the distributive property several times to show why (10 + 2) (10 + 4) =10 10+ 10-4+2-10+ 2.4 b. Draw an array to show why (10+2) (10 + 4) = 10 10+ 10.4+2 10+ 2.4 c. Relate the steps in your equations in part (a) to your array in part (b). 12. In Section 4.2, we drew pictures of bundled objects to explain why multiplication by 10 shifts
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