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

**Question 1:**550,000mm rounded to 3 significant figures.

**Question 2:**47.1cl correct to 3 significant figures.

**Question 3:**165cl rounded to the nearest 5cl

**Question 4:**100mm rounded to the nearest 10mm.

**Question 5:**867ml rounded to the nearest whole number.

**Question 6:**170,000ml rounded to 2 significant figures.

**Question 7:**13.92km rounded to 2 decimal places.

**Question 8:**50L rounded to the nearest 5L

**Question 9:**6.0g rounded to 2 significant figures.

**Question 10:**500g rounded to the nearest 100g.

**Question 11:**100m

^{2}correct to 1 significant figure.

**Question 12:**4.00cm rounded to 2 decimal places.

**Question 13:**41km/h rounded to the nearest whole number.

**Question 14:**2.4g correct to 2 significant figures.

**Question 15:**69.8cm rounded to 1 decimal place.

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# Answers

**Question 1:**lower bound = 549,500mm, upper bound = 550,500mm

**Question 2:**lower bound = 47.05cl, upper bound = 47.15cl

**Question 3:**lower bound = 162.5cl, upper bound = 167.5cl

**Question 4:**lower bound = 95mm, upper bound = 105mm

**Question 5:**lower bound = 866.5ml, upper bound = 867.5ml

**Question 6:**lower bound = 165,000ml, upper bound = 175,000ml

**Question 7:**lower bound = 13.915km, upper bound = 13.925km

**Question 8:**lower bound = 47.5L, upper bound = 52.5L

**Question 9:**lower bound = 5.95g, upper bound = 6.05g

**Question 10:**lower bound = 450g, upper bound = 550g

**Question 11:**lower bound = 50m

^{2}, upper bound = 150m

^{2}

**Question 12:**lower bound = 3.995cm, upper bound = 4.005cm

**Question 13:**lower bound = 40.5km/h, upper bound = 41.5km/h

**Question 14:**lower bound = 2.35g, upper bound = 2.45g

**Question 15:**lower bound = 69.75cm, upper bound = 69.85cm

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