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§ 6.2

§ 6.2. Metric Measurements: Length. Metric Unit Prefixes. The metric system is another main system of measurement. Prefix . Meaning. kilo-. thousand. hecto-. hundred. The meter is the basic unit of measurement. A meter is approximately 39.37 inches long. deka-. ten. deci. tenth.

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§ 6.2

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  1. § 6.2 Metric Measurements: Length

  2. Metric Unit Prefixes The metric system is another main system of measurement. Prefix Meaning kilo- thousand hecto- hundred The meter is the basic unit of measurement. A meter is approximately 39.37 inches long. deka- ten deci tenth centi hundredth milli- thousandth kilometer one thousand meters centimeter one hundredth of a meter dekameter ten meters

  3. When you change from one metric prefix to another by moving to the right on the prefix chart, move the decimal point to the right the same number of places. meter kilometer hectometer decimeter centimeter millimeter dekameter one Converting Between Units Changing from Larger Metric Units to Smaller Ones 1 meter 1 0 0 0 = 1000 millimeters

  4. When you change from one metric prefix to another by moving to the left on the prefix chart, move the decimal point to the left the same number of places. meter kilometer hectometer decimeter centimeter millimeter dekameter one Converting Between Units Changing from Smaller Metric Units to Larger Ones 125 centimeters 1 2 5 = 1.25 meters

  5. Metric Abbreviations Metric Lengths with Abbreviations 1 kilometer (km) = 1000 meters 1 hectometer (hm) = 100 meters 1 dekameter (dam) = 10 meters 1 meter (m) 1 decimeter (dm) = 0.1 meter 1 centimeter (dm) = 0.01 meter 1 millimeter (dm) = 0.001 meter

  6. meter kilometer hectometer decimeter centimeter millimeter dekameter one Converting Metric Units Example: Convert 56 centimeters into millimeters. 56 centimeters = 560 millimeters Example: Convert 125 decimeters into kilometers. 125 decimeters = 0.0125 kilometers

  7. Large Metric Distances Extremely Large Metric Distances 1 gigameter = 1,000,000,000 meters 1 megameter = 1,000,000 meters 1 kilometer = 1,000 meters 1 meter (m) 1 millimeter = 0.001 meter 1 micrometer = 0.000001 meter 1 nanometer = 0.000000001 meter 32 megameters = 32,000,000 meters 9 millimeters = 0.009 meters

  8. Metric Measurements for Computers 1 gigabyte = 1,000,000,000 bytes 1 megabyte = 1,000,000 bytes 1 kilobyte = 1,000 bytes Computer Metric Measurements A byte is the amount of computer memory needed to store one alphanumeric character. 24.6 gigabytes = 24,600,000,000 bytes 83 kilobytes = 83,000 bytes

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