# Read e-book online Algebra: A Combined Approach, 4th Edition (Martin-Gay PDF By Elayn Martin-Gay

ISBN-10: 0321726391

ISBN-13: 9780321726391

Elayn Martin-Gay firmly believes that each scholar can be triumphant, and her developmental math textbooks and video assets are encouraged through this trust. Algebra: A mixed process, Fourth variation used to be written to supply scholars with a fantastic beginning in algebra and support them successfully transition to their subsequent arithmetic direction. the recent version deals new assets just like the pupil Organizer and now comprises scholar assets at the back of the ebook to aid scholars on their quest for achievement.

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Extra info for Algebra: A Combined Approach, 4th Edition (Martin-Gay Developmental Math Series)

Example text

312 Mixed Practice Perform the indicated operation. See Examples 4 through 7. 25. 405 26. 9 27. 75 * 10 28. 91 * 100 29. 6 ͤ 42 R-25 R-26 C H A P T E R R I PREALGEBRA REVIEW 30. 9 ͤ 36 31. 35. 92 36. 67 32. 45 37. 31 33. 7 38. 71 34. 5 Round each decimal to the given place value. See Examples 8 and 9. 39. 57, nearest tenth 40. 75, nearest tenth 41. 234, nearest hundredth 42. 452, nearest hundredth 43. 5945, nearest thousandth 44. 4529, nearest thousandth 45. 23, nearest tenth 46. 543, nearest tenth 47.

Notice the pattern in the decimal points. 018 " c 3 decimal places In general, to multiply decimals, follow the steps below. To Multiply Decimals Step 1: Multiply the decimals as though they are whole numbers. Step 2: The decimal point in the product is placed so that the number of deciAnswers 4. a. 978 5. a. 248 b. 82 b. 81 mal places in the product is equal to the sum of the number of decimal places in the factors. Copyright 2012 Pearson Education, Inc. 6 = R-21 S E C T I O N R . 3 I DECIMALS AND PERCENTS PRACTICE 6 Example 6 Multiply.

2 1 5 - 1 3 6 19. 16 9 2 + 3 10 3 20. 6 2 1 , 2 7 5 The area of a plane ﬁgure is a measure of the amount of surface of the ﬁgure. Find the area of each ﬁgure below. (The area 1 of a rectangle is the product of its length and width. ) 2 21. 22. 3) Write each decimal as a fraction. Do not simplify. 23. 81 24. 035 Perform each indicated operation. 25. 29. 6 * 12 26. 765 27. 62 28. 30. 31. 2 32. 489 Round each decimal to the given place value. 33. 7652, nearest hundredth 34. 6293, nearest tenth Write each fraction as a decimal.