Rates and Measurement Unit Test
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Question
Which measurement is used in the metric system?(1 point)
Responses
mile
mile
gallon
gallon
kilogram
kilogram
yard
yard
To answer this question, you need to know which measurement units are used in the metric system. The metric system is a system of measurement used around the world that is based on powers of 10.
In the given responses, there are four options: mile, gallon, kilogram, and yard.
A mile is a unit of length used in the imperial system, not the metric system.
A gallon is a unit of volume used in the imperial system and the United States customary system, not the metric system.
A kilogram is a unit of mass used in the metric system.
A yard is a unit of length used in the imperial system, not the metric system.
Therefore, the correct answer is kilogram, as it is the only unit among the given options that belongs to the metric system.
The measurement used in the metric system is kilogram.
About how many pounds are in 56 kilograms? There are about 2.2 pounds in one kilogram.(1 point)
Responses
58.2 pounds
58.2 pounds
123.2 pounds
123.2 pounds
53.8 pounds
53.8 pounds
25.4 pounds
To convert kilograms to pounds, we can use the conversion factor of 2.2 pounds per kilogram.
So, 56 kilograms would be approximately 56 * 2.2 = 123.2 pounds.
Therefore, the correct response is 123.2 pounds.
How many liters are in 3,200 milliliters? There are 1,000 milliliters in one liter.(1 point)
Responses
To convert milliliters to liters, we divide the number of milliliters by 1,000.
So, 3,200 milliliters would be equal to 3,200 / 1,000 = 3.2 liters.
Therefore, the correct response is 3.2 liters.
How many feet are in 25 meters? There are about 3.28 feet in 1 meter. (
To convert meters to feet, we can use the conversion factor of 3.28 feet per meter.
So, 25 meters would be approximately 25 * 3.28 = 82 feet.
Therefore, the correct response is 82 feet.
Convert 24 gallons per hour to liters per min. There are about 3.78 liters in 1 gallon and 60 minutes in 1 hour.(1 point)
Responses
90.72 liters per minute
90.72 liters per minute
1.5 liters per minute
1.5 liters per minute
5,443.2 liters per minute
5,443.2 liters per minute
0.4 liters per minute
To convert gallons per hour to liters per minute, we need to consider the conversion factors of 3.78 liters per gallon and 60 minutes per hour.
First, we can convert gallons to liters by multiplying by 3.78:
24 gallons/hour * 3.78 liters/gallon = 90.72 liters/hour.
Then, we can convert hours to minutes by dividing by 60:
90.72 liters/hour / 60 minutes/hour = 1.512 liters/minute.
Therefore, the correct response is 1.512 liters per minute.