So, 4 miles is approximately 6.44 kilometers. Since 6.44 km > 6.2 km, 4 miles is greater.
ANSWER:
4-7 Convert Between Systems
4 mi
34. Velocity is a rate usually expressed in feet per second or meters per second. How can the units help you calculate
velocity using the distance a car traveled and the time recorded?
SOLUTION:
The units feet/second and meters/second each show a distance divided by a time. Therefore you would calculate
velocity by dividing the distance a car traveled by the time recorded.
Sample answer: The rate meters/second indicates division, so velocity is distance divided by time.
ANSWER:
Sample answer: The rate meters/second indicates division, so velocity is distance divided by time.
35. The diagram shows the length of a fork from the cafeteria.
Which measurements are approximately equal to the length of the fork? Select all that apply
15.2 cm
0.152 m
152 cm
1.52 m
SOLUTION:
Convert the inches into centimeters, and then convert centimeters into meters.
Since 1 inch ≈ 2.54 centimeters, multiply by
.
The fork is approximately 15.2 centimeters. The first measurement is correct, while 152 cm is not.
Convert centimeters into meters. Since 1 meter = 100 centimeters, multiply by
.
The fork is approximately 0.152 meters. The second measurement is correct, while the fourth is not.
ANSWER:
15.2 cm
0.152 m
152 cm
1.52 m
36. The masses of 4 different animals from a zoo are shown in the table.
Convert each measure to pounds. Then sort the animals from least to greatest weight.
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