Exercises 11.4, page 338

  1. 1. 165

  2. 3. 87

  3. 5. 5 − 7

  4. 7. 112 − 33

  5. 9. 35

  6. 11.  − 4t3

  7. 13.  − 32y

  8. 15. 197

  9. 17. 92

  10. 19. 233R − 62R

  11. 21. 5102

  12. 23.  − 92

  13. 25. 1333

  14. 27. 24

  15. 29. (5a − 2b2)ab

  16. 31. (3 − 2a)10

  17. 33. (2b − a)3a2b3

  18. 35. (a2 − c3)aca2c3

  19. 37. (a − 2b)3ab2ab

  20. 39.  − 2VT2 − V2T2 − V2

  21. 41. 8x + 2

  22. 43. 153 − 115 = 1.3840144

  23. 45. 16 6 = 0.4082483

  24. 47. 7223 = 4.4097237

  25. 49. 33

  26. 51. Positive, 1000 = 1010 ,  11 > 10

  27. 53. 62 + 26

  28. 55. 18 + 32 = 22.2 ft

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