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

**Question 1:**580,000ml rounded to 3 significant figures.

**Question 2:**900g rounded to the nearest 100g.

**Question 3:**59.7cm rounded to 1 decimal place.

**Question 4:**140cl rounded to the nearest 5cl

**Question 5:**1.30kg rounded to 2 decimal places.

**Question 6:**40m

^{2}correct to 1 significant figure.

**Question 7:**6.06cl correct to 3 significant figures.

**Question 8:**35m rounded to the nearest 5m

**Question 9:**110mm rounded to the nearest 10mm.

**Question 10:**891ml rounded to the nearest whole number.

**Question 11:**9.0g rounded to 2 significant figures.

**Question 12:**6,600kg correct to 2 significant figures.

**Question 13:**85km/h rounded to the nearest whole number.

**Question 14:**19.00km rounded to 2 decimal places.

**Question 15:**870,000L rounded to 2 significant figures.

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# Answers

**Question 1:**lower bound = 579,500ml, upper bound = 580,500ml

**Question 2:**lower bound = 850g, upper bound = 950g

**Question 3:**lower bound = 59.65cm, upper bound = 59.75cm

**Question 4:**lower bound = 137.5cl, upper bound = 142.5cl

**Question 5:**lower bound = 1.295kg, upper bound = 1.305kg

**Question 6:**lower bound = 35m

^{2}, upper bound = 45m

^{2}

**Question 7:**lower bound = 6.055cl, upper bound = 6.065cl

**Question 8:**lower bound = 32.5m, upper bound = 37.5m

**Question 9:**lower bound = 105mm, upper bound = 115mm

**Question 10:**lower bound = 890.5ml, upper bound = 891.5ml

**Question 11:**lower bound = 8.95g, upper bound = 9.05g

**Question 12:**lower bound = 6,550kg, upper bound = 6,650kg

**Question 13:**lower bound = 84.5km/h, upper bound = 85.5km/h

**Question 14:**lower bound = 18.995km, upper bound = 19.005km

**Question 15:**lower bound = 865,000L, upper bound = 875,000L

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