Chapter 4 Decimal Notation
4.5 Converting from Fraction Notation to Decimal Notation
2. 0.09 4. 0.95 6. 0.1875 8. 0.8 10. 0.55 12. 0.875 14. 0.775 16. 0.488 18. 0.905 20. 0.5 22. 1.48 24. 0.625 26. 0.7... 28. 0.1... 30. 0.8... 32. 0.63... 34. 1.27... 36. 0.416...
4.4 Division
2. 3.6 4. 3.24 6. 1.09 8. 8.3 10. 0.5 12. 3.1 14. 42.0 16. 8.0 18. 20.0 20. 0.15 22. 2.3 24. 3.2 26. 0.023 28. 0.375 30. 0.5 32. 225 34. 93 50. y=0.41 52. q=3156.92 54. x=15 56. 136.8 58. 12.04 60. 178.1 62. 119.0176 64. 399.9892 66. 0.7125 78. 63.6¢
4.3 Multiplication
2. 4.56 4. 5.64 6. 0.784 8. 1.288 10. 387.98 12. 340 14. 0.0238 16. 7.89235 18. 8.97623 20. 0.00235 22. 79.808 24. 62.8186 26. 934.2 28. 20,049 30. 435 32. 5792.72 34. 227.513 36. 688.716 38. 0.18768 40. 0.060675 42. 7.62128 44. 2.701644 46. 0.00836608 48. 0.045678 50. 6743¢ 52. 178¢ 54. $0.95 56. $9.33 58. 2,700,000,000 60. 33,500,555 62. 31,500,000,000
4.7 Applications and Problem Solving
2. 5.3 million people 4. $11.96 6. $47.75 8. 2.31 cm 10. 219.5 miles 12. $245.6 million 14. 296,183.55 ft^2 16. Route B 18. $2.20 20. 27.5 mpg 22. $378.12 24. A=8.125 cm^2, P=1.5 cm 26. $68.4 billion 28. $398,062.80 $12,062.80 30. 0.29 lbs. 32. $446.25 34. 6.052 billion people 36. $2520.07, $3730.55, $3641.35, $3608.86, $3546.69 38. 29.6 degrees
4.2 Addition and Subtraction
2. 656.738 4. 4206.67 6. 84.417 8. 1.587 10. 26.029 12. 6589.5238 14. 20.8649 16. 7021.3726 18. 41.24 20. 92.86 22. 38.72 24. 0.72 26. 100.042 28. 19.92 30. 0.991 32. 0.28 34. 0.9092 36. 605.21 38. 12.48 40. 161.62 42. 2546.973 44. 44.001 46. 0.36956 48. 0.0001 50. t=3.37 52. w=46.4996 54. z=32.43 56. t=21,236.6
4.1 Decimal Notation, Order, and Rounding
2. Ninety-nine hundred forty-nine thousandths 4. Twenty-six and seven tenths, nine and four tenths 6. Two hundred ninety-five thousandths 8. Eight and thirty-five hundredths 10. 2036/10 12. 17/100 14. 1509/1000 16. 20114/10000 18. 45672/10 20. 614057/100000 22. 5.1 24. 0.780 26. 0.92 28. 0.56788 30. 1.2463 32. 8.953074 34. 9243.1 36. 4.067 38. 67.83 40. 2256.3059 42. 0.8 44. 42.1 46. 7.067 48. 1 50. 73/10 52. 0.84384 54. 0.9 56. 0.5 58. 4.8 60. 36.0 62. 0.68 64. 6.52 66. 208.00 68. 11.42 70. 0.667 72. 123.456 74. 0.116 76. 67.101 78. 809.6 80. 809.57 82. 810 84. 34.5439 86. 34.5 88. 30
4.6 Estimating
2. b) $70 4. a) $1200 6. b) 20 8. 5 10. 191 12. 14.2 14. 12 16. d) 30 18. b) 63 20. a) 400 22. c) 0.035 24. c) 1000 26. about 200 shares 28. about $30
