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34 x 5 i. 61 × 30 17. Practice multiplying without using a calculator. Try using different algorithms to see which is more efficient for you. a. 28 x 13 e. 78 x 89 b. 48 x 23 f. 103 x 24

34 x 5 i. 61 × 30 17. Practice multiplying without using a calculator. Try using different algorithms to see which is more efficient for you. a. 28 x 13 e. 78 x 89 b. 48 x 23 f. 103 x 24

Advanced Engineering Mathematics
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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17a-17h
16. Show how to multiply these using the distributive property and find the product quickly. a. Sx 13 d. 27 x 4 g 6x41 b. 25 x 6 e. 91 x 7 h. 43 x 11 c. 18x3 f. 34 x 5 i. 61 × 30 17. Practice multiplying without using a calculator. Try using different algorithms to see which is more efficient for you. a. 28 x 13 e. 78 x 89 b. 48 x 23 f. 103 x 24 c. 57 x 29 g. 111 x 25 d. 31 × 49 h. 281 x 47 18. For these problems, you only need to re-write as one multiplication (instead of two or more). Do not use your calculator! When finished, find the product. Part (a) is done for you. a. 91 x 7+91 x 3-91(7+3)=91 * 10-910 f. 14 × 68+14x2 b. 31x9+31 x 11 g. 93 *574+7*574 h. 983 x 574+17 x 574 c. 42 × 16+42×4 L 16*53+16*9+14×62 d. 47*23 +13 * 23 j. 23* 18+23*13+27 * 31 e 22*11+22*39
Transcribed Image Text:16. Show how to multiply these using the distributive property and find the product quickly. a. Sx 13 d. 27 x 4 g 6x41 b. 25 x 6 e. 91 x 7 h. 43 x 11 c. 18x3 f. 34 x 5 i. 61 × 30 17. Practice multiplying without using a calculator. Try using different algorithms to see which is more efficient for you. a. 28 x 13 e. 78 x 89 b. 48 x 23 f. 103 x 24 c. 57 x 29 g. 111 x 25 d. 31 × 49 h. 281 x 47 18. For these problems, you only need to re-write as one multiplication (instead of two or more). Do not use your calculator! When finished, find the product. Part (a) is done for you. a. 91 x 7+91 x 3-91(7+3)=91 * 10-910 f. 14 × 68+14x2 b. 31x9+31 x 11 g. 93 *574+7*574 h. 983 x 574+17 x 574 c. 42 × 16+42×4 L 16*53+16*9+14×62 d. 47*23 +13 * 23 j. 23* 18+23*13+27 * 31 e 22*11+22*39
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