Calculate the upper and lower bounds for each of the following questions:Name: Date:

**Question 1:**498ml rounded to the nearest whole number.

**Question 2:**500cm

^{3}correct to 1 significant figure.

**Question 3:**5,300kg correct to 2 significant figures.

**Question 4:**2.0cm rounded to 1 decimal place.

**Question 5:**8.53cl correct to 3 significant figures.

**Question 6:**160,000mm rounded to 2 significant figures.

**Question 7:**7.54km rounded to 2 decimal places.

**Question 8:**100cm rounded to the nearest 5cm

**Question 9:**300g rounded to the nearest 100g.

**Question 10:**145L rounded to the nearest 5L

**Question 11:**16,000m rounded to 2 significant figures.

**Question 12:**3.0cl rounded to 2 significant figures.

**Question 13:**120mm rounded to the nearest 10mm.

**Question 14:**48km/h rounded to the nearest whole number.

**Question 15:**4.00kg rounded to 2 decimal places.

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# Answers

**Question 1:**lower bound = 497.5ml, upper bound = 498.5ml

**Question 2:**lower bound = 450cm

^{3}, upper bound = 550cm

^{3}

**Question 3:**lower bound = 5,250kg, upper bound = 5,350kg

**Question 4:**lower bound = 1.95cm, upper bound = 2.05cm

**Question 5:**lower bound = 8.525cl, upper bound = 8.535cl

**Question 6:**lower bound = 155,000mm, upper bound = 165,000mm

**Question 7:**lower bound = 7.535km, upper bound = 7.545km

**Question 8:**lower bound = 97.5cm, upper bound = 102.5cm

**Question 9:**lower bound = 250g, upper bound = 350g

**Question 10:**lower bound = 142.5L, upper bound = 147.5L

**Question 11:**lower bound = 15,500m, upper bound = 16,500m

**Question 12:**lower bound = 2.95cl, upper bound = 3.05cl

**Question 13:**lower bound = 115mm, upper bound = 125mm

**Question 14:**lower bound = 47.5km/h, upper bound = 48.5km/h

**Question 15:**lower bound = 3.995kg, upper bound = 4.005kg

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