德望學校 – S2數學 2A Chapter 4 Approximation and Errors – CQ (11-16)

Good Hope School – S2 Maths Exam Question (by-topic)
2A Chapter 4 Approximation and Errors – CQ (11-16)

德望學校 數學 中二考試 歷屆試題 (by-topic)

Approximation and Errors Conventional Questions (11-16)

數學試卷 只供溫習、操卷之用。

試卷答案:

  1. a) 10
    b) 20 (m)
    c) 16.67 (cm)
  2. a i) Maximum absolute error = 50
    Lower limit = 28950
    ii) 0.172%
    b) 11001
  3. a) The lower limit = 96.325 (cm2)
        The upper limit = 98.675 (cm2)
    b) 1.175 cm2
  4. a) 156 (dollars)
    b) They have enough emoney to buy the gift.
  5. a i) Simon’s height is 165.5 cm.
           Simon’s weight is 81 kg.
      ii) Max abs. errors of measuring tape = 0.25 cm. 
           Max abs. errors of bathroom scales = 0.5 kg
    b i) Max BMI of Simon = 298. kg/m2
      ii) Percentage error = 0.922%
  6. a) 0.125
    b) 840
    c)  The possible range is between 3500 and 3640.
  7. a) 5 km/h
    b) 1/22  or 0.0455
    c i) Between 105 km/h and 115 km/h
      ii) I do not agree.
    d) 2 (h)
  8. a i) 225
      ii) 85
    b) 3/85 or 0.0353
  9. The range is between 1224.02 m and 1276.02 m.
  10. a) 1 (min)
    b) 8.33%
    c) I agree with her.
  11. 1.11%
  12. a) 1/250 or 0.004
    b) 62.75 (s)
    c) 0.5 (s)
  13. a) 0.108%
    b) It is not pposible.
  14. a) 1.35%
    b) 784 cm3
  15. a) 0.05m
    b) 2.78%
  16. a) 0.025 kg  or 25 g
    b) 1/200 or 0.005
    c) 0.5%
  17. The range is between 247.5 mL and 252.5 mL.
  18. 10

 

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