A To convert metre to centimeter we need to move decimal point to the right b To convert hectolitres to litre ,we move the decimal point to the left C when we convert decagram to milligram ,we multiply by 1000 D When we convert decimetre to kilometer, we divide by100 these all are true and false
Answers
Answer:
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Step-by-step explanation:
While knowing the different units used in the metric system is important, the real purpose behind learning the metric system is for you to be able to use these measurement units to calculate the size, mass, or volume of different objects. In practice, it is often necessary to convert one metric measurement to another unit. This happens frequently in the medical, scientific, and technical fields, where the metric system is commonly used.
If you have a prescription for `5,000` milligrams of medicine, and upon getting it filled, the dosage reads `5` grams of medicine, did the pharmacist make a mistake?
For a moment, imagine that you are a pharmacist. You receive three prescriptions for liquid amoxicillin: one calls for `2.5` centiliters, one calls for `0.3` deciliters, and one calls for `450` milliliters. Amoxicillin is stored in the refrigerator in `1` liter, `1` deciliter, and `1` centiliter containers. Which container should you use to ensure you are not wasting any of the unused drug?
To solve this problem, you need to know how to convert from one measurement to another as well as how to add different quantities together. Let’s take a look at how to do this.
Converting from Larger to Smaller Units
Converting between measurements in the metric system is simply a matter of identifying the unit that you have, the unit that you want to convert to, and then counting the number of units between them. A basic example of this is shown below.
Example
Problem
Convert `1` kilometer to decimeters.
The image shows a table of the metric system, kilometer, hectometer, decameter, meter, decimeter, centimeter, and millimeter. Kilometer and decimeter are highlighted.
Identify locations of kilometers and decimeters.
Kilometers (km) are larger than decimeters (dm), so you expect there to be more than one dm in a km.
The image shows a table of the metric system, kilometer, hectometer, decameter, meter, decimeter, centimeter, and millimeter. Kilometer and decimeter are highlighted. Beneath the table, 4 arrows point right between kilometer and decimeter indicating that when moving the decimal, each unit is multiplied by 10, from kilometer to hectometer, from hectometer to decameter, from decameter to meter, from meter to decimeter.
Count the intermediate units, multiplying by `10` as you go.
(Since you are going from a larger unit to a smaller unit, you multiply.)
`1" kilometer" * 10 * 10 * 10 * 10 = 10,000" decimeters"`
Multiply to find the number of decimeters in one kilometer.
Answer
`1" kilometer" = 10,000text( decimeters)`
This problem is straightforward because you are converting `1` kilometer to another unit. The example below shows how you would solve this problem if you were asked to convert `8.2` kilometers to decimeters. Notice that most steps are the same; the critical difference is that you multiply by `8.2` in the final step.
Example
Problem
Convert `8.2` kilometers to decimeters.
The image shows a table of the metric system, kilometer, hectometer, decameter, meter, decimeter, centimeter, and millimeter shows kilometer and decimeter highlighted.
Identify locations of kilometers and decimeters.
Kilometers (km) are larger than decimeters (dm), so you expect there to be more than one dm in a km.
The image shows a table of the metric system, kilometer, hectometer, decameter, meter, decimeter, centimeter, and millimeter shows kilometer and decimeter highlighted. Beneath the table, 4 arrows point right between kilometer and decimeter indicating that when moving the decimal, each unit is multiplied by 10, from kilometer to hectometer, from hectometer to decameter, from decameter to meter, from meter to decimeter.
Count the intermediate units, multiplying by `10` as you go.
Since you are going from a larger unit to a smaller unit, multiply.
`8.2text( kilometers) * 10 * 10 * 10 * 10 = 82,000text( decimeters)`
Multiply to find the number of decimeters in `8.2` kilometers.
Answer
`8.2" kilometers" = 82,000text( decimeters)`
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Answer:
1- True
2- False
3- False
4- True
Step-by-step explanation:
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