Choosing and Converting Units

1
Choosing and Converting Units
COURSE 3 LESSON 5-2
Use dimensional analysis to convert 0.7 mi to ft.
There are 3,696 ft in 0.7 miles.
5-2
2
Choosing and Converting Units
COURSE 3 LESSON 5-2
A rowing team completed a 2,000-m course at a
rate of 6.84 m/s. Convert this rate to kilometers
per minute.
The team rowed at a rate of 0.4104 km/min.
Check for Reasonableness The answer 0.4104 km/min
is close to the estimate 0.42. The answer is
reasonable.
5-2
3
Choosing and Converting Units
COURSE 3 LESSON 5-2
Use compatible numbers to estimate the number of
gallons in 33 quarts.
1 gal 4 qt
The conversion factor for changing gallons to
quarts is .
There are about 8 gallons in 33 quarts.
5-2
4
Choosing and Converting Units
COURSE 3 LESSON 5-2
1. Choose an appropriate customary unit and
metric unit for the distance between two
cities. 2. Convert 0.75 hours to seconds. 3. 150
per hour is how much per minute? 4. 69.2 cm is
about how many meters?
miles kilometers
2,700 s
2.50 per min
0.7 m
5-2