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Write down the error interval for each of the following questions:
Question 1:     The quantity of water in a bottle, m, rounded to the nearest whole number is 746ml. Write down the error interval for m
Question 2:     A number, j, rounded to 1 decimal place is 82.0. Write down the error interval for j
Question 3:     The volume of a box, r, correct to 1 significant figure is 10,000cm³. Write down the error interval for r
Question 4:     The number of passengers on a coach, m, rounded to the nearest 10 is 20 people. Write down the error interval for m
Question 5:     A number, k, truncated to 2 decimal places is 14.11. Write down the error interval for k
Question 6:     The density of an alloy, t, correct to 2 significant figures is 7.4g/cm³. Write down the error interval for t
Question 7:     A number, w, correct to 3 significant figures is 89.1. Write down the error interval for w
Question 8:     The speed of a car, v, rounded to the nearest whole number is 12km/h. Write down the error interval for v
Question 9:     The number of peas in a pack, h, rounded to the nearest 100 is 400 peas. Write down the error interval for h
Question 10:     The length of a road, e, rounded to 2 decimal places is 16.40km. Write down the error interval for the length of the road.
Question 11:     The weight of a suitcase, u, truncated to 1 decimal place is 10.3kg. Write down the error interval for the weight of the suitcase.
Question 12:     The number of pies in a factory, b, correct to 3 significant figures is 4,330 pies. Write down the error interval for b

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