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Write down the error interval for each of the following questions:
Question 1:     The area of a plot of land, v, correct to 1 significant figure is 50,000m². Write down the error interval for v
Question 2:     A number, k, rounded to 2 decimal places is 0.73. Write down the error interval for k
Question 3:     The number of peas in a pack, m, rounded to the nearest 100 is 100 peas. Write down the error interval for m
Question 4:     A number, r, truncated to 1 decimal place is 80.1. Write down the error interval for r
Question 5:     The density of an alloy, n, correct to 2 significant figures is 4.8g/cm³. Write down the error interval for n
Question 6:     A number, t, rounded to 1 decimal place is 66.5. Write down the error interval for t
Question 7:     A number, f, truncated to 2 decimal places is 18.69. Write down the error interval for f
Question 8:     The quantity of water in a bottle, h, rounded to the nearest whole number is 759ml. Write down the error interval for h
Question 9:     The number of daily commuters travelling by train, u, correct to 3 significant figures is 86,500. Write down the error interval for u
Question 10:     The speed of a car, d, rounded to the nearest whole number is 52km/h. Write down the error interval for d
Question 11:     A number, z, correct to 3 significant figures is 6.37. Write down the error interval for z
Question 12:     The width of a box, h, rounded to the nearest 10mm is 70mm. Write down the error interval for h

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