Practice and Application

  1. 13.  − 10

  2. 15.  − 20

  3. 17.  − 22

  4. 19.  − 25

  5. 21.  − 4

  6. 23. 5

  7. 25. 4r2t4

  8. 27.  − 24tm2n

  9. 29. 8T3N

  10. 31. 35

  11. 33.

    1. 1

    2. 8000

  12. 35.

    1. 4

    2. 9.1

  13. 37. 18.0

  14. 39. 1.3 × 10 − 4

  15. 41. 923,000 J

  16. 43. 59 ft/s

  17. 45. 10,100,000 J/min

  18. 47.  − a − 2ab

  19. 49. 7LC − 3

  20. 51. 2x2 + 9x − 5

  21. 53. x2 + 16x + 64

  22. 55. hk − 3h2k4

  23. 57. 7R − 6r

  24. 59. 13xy − 10z

  25. 61. 2x3 − x2 − 7x − 3

  26. 63.  − 3x2y + 24xy2 − 48y3

  27. 65.  − 9p2 + 3pq + 18p2q

  28. 67. 6qp − 2 + 3q4p3

  29. 69. 2x − 5

  30. 71. x2 − 2x + 3

  31. 73. 4x3 − 2x2 + 6x ,  R =  − 1

  32. 75. 15r − 3s − 3t

  33. 77. y2 + 5y − 1 ,  R = 4

  34. 79.  − 92

  35. 81. 2110

  36. 83.  − 73

  37. 85. 3

  38. 87.  − 195 

  39. 89. 1.0

  40. 91. 6 × 1013 bytes

  41. 93. 1.54 × 1010 km

  42. 95. 25,300,000,000,000 mi

  43. 97. 0.000000000001 W/m2

  44. 99. 0.15 Bq/L

  45. 101. Vπr2

  46. 103. PL2π2I

  47. 105. Rr − PpQ

  48. 107. d + AA 

  49. 109. N1 + TN3 − N3T

  50. 111. R

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