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2.8 Class Quiz 16 (week 22)

Quiz by math enhancement

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11 questions
Show answers
  • Q1
    0.027 182 =
    0.027 1, correct to 3 decimal places
    0.02, correct to 1 significant figure
    0.027, correct to 2 decimal places
    0.027 18, correct to 4 significant figures
    120s
  • Q2
    It is given that the value of p is between 3.541 6 and 3.542 8 inclusive. Which of the following must be correct?
    p = 3.542, correct to 4 significant figures
    p = 3, correct to 1 significant figure
    p = 3.54, correct to 3 significant figures
    p = 3.6, correct to 2 significant figures
    120s
  • Q3
    Ken uses a ruler with scale interval of 0.5 cm to measure the length of each side of a square. If the length of each side is measured as 12.5 cm, find the relative error in calculating the perimeter of the square.
    0.02
    0.04
    None of the above
    0.08
    120s
  • Q4
    How many significant figures are there in 0.012 060?
    6
    3
    5
    4
    60s
  • Q5
    The height of a sculpture is measured as 2.03 m. Assume that the actual height is 2 m. Find the relative error.
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    120s
  • Q6
    The capacity of a bottle is measured as 72 mL with relative error . Find the minimum possible capacity of the bottle.
    71.9 mL
    71.8 mL
    71 mL
    71.5 mL
    120s
  • Q7
    There are 600 participants in a race. If the number of male participants and the number of female participants are in the ratio 2 : 3, find the number of male participants.
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    120s
  • Q8
    On a photo with a scale of 3 cm : 1 mm, the length of an insect is 6 mm. Find the actual length of the insect.
    0.2 mm
    2 mm
    18 cm
    1.8 cm
    120s
  • Q9
    7 200 mL/min =
    0.12 L/s
    2 L/s
    0.18 L/s
    0.26 L/s
    120s
  • Q10
    A metal rod expands 1.2 cm when the temperature is increased from 40 oC to 200 oC. Find the rate of expansion.
    0.06 mm/oC
    0.075 mm/oC
    0.03 mm/oC
    0.05 mm/oC
    120s
  • Q11
    The perimeter of △ABC as shown is 11.5 cm, where a : b : c = 10 : 6 : 7. Find a. (with unit)
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    120s

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