Chapter 2

Data Analysis, Part II

Metric Conversions

mcdbdahK Move the decimal to the right

Move the decimal to the left

o Every metric unit is different from its neighbor by a factor of ten

o When converting between two units the decimal point is moved the number of places equal to the distance between the two unit in the chart above and in the same direction of movement

Sample problem

Convert the following 53 hg = ________dg

Start with 53.

Move the decimal 3 spaces to the right 53Fill in the empty spaces with zeros 53000 dg

mcdbdahK Move the decimal to the right

Move the decimal to the left

Sample Problem

Convert the following 300 cg = ________kg

Start with 300.

Move the decimal 5 spaces to the left 300Fill in the empty spaces with zeros 0.00300 kg

mcdbdahK Move the decimal to the right

Move the decimal to the left

More Practice Problems

Convert the following

0.058 dam = _______ dm

0.25 cL = _______ L

109 hg = ________ mg

mcdbdahK

5.8

0.0025

10900000

Factor Label Method of Conversion

Use conversion factors to systematically move from one unit to the next, cancelling out units on the diagonal in each step.

Convert 18 m = _______ cm

100 cm = 1 m 1 m = 100 cm 11

100

m

cm1

100

1

cm

m

18m100 cm

1 m= 1800 cm

Multistep Factor Label Problems

Convert

350 tsp = ______ L

Using the following conversion factors

1 tsp = 5 mL

1 L = 1000 mL

350 tsp 5 mL

1 tsp

1 L1000 mL

= 1.75 L

Multistep Factor Label Practice

Convert 3 min= ______ms

Use 1 min=60 s and 1000 ms = 1 s

Convert 32oz = _____ g

Use 16 oz=1 lb, 2.2 lb = 1kg, 1kg=1000 g

Multidimensional Factor Label Problems

Convert 25 g/mL = ______ kg/dL• Convert one unit at a time• Recognize that one unit is in the denominator

25 g

1 mL

1 Kg

1000 g

100mL

1 dL=2.5kg/dL

Multidimensional Factor Label Practice

Convert 85 km/hr = _________m/s

Convert 0.6 L/min = ________ qt/hrUse 1qt = 1.1L