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Published byAsher Jackson Modified over 9 years ago
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Organized method of problem-solving Used in chemistry, physics, engineering, and medicine Communicates the path to scientists that follow your work Records your own path for your future use
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Unit conversion factor A unit conversion factor is a fraction whose numerator and denominator are equal measures. Some common unit conversion factors are given below. You can also use the reciprocal (opposite order) of these.
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Calculate the number of minutes in 3.61 hours. *Note: Use the number given in the question to determine the number of sig figs in your answer. 3.61 hr 1 hr 60 min =216.6 min = 217 min
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How many centimeters are in 4.2 inches? There are 2.54 centimeters in an inch. *Note: Use the number given in the question to determine the number of sig figs in your answer. 4.2 in 1 in 2.54 cm =11 cm
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Calculate the number of 261 grams is how many kilograms? 1 kilogram = 1,000 grams. *Note: Use the number given in the question to determine the number of sig figs in your answer. 261 grams 1,000 grams 1 kilograms =.261 kilograms
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150 lbs 1 Ibs.4535kg = Calculate the number of 150 pounds is how many kilograms? 1 pound =.4535 kg. *Note: Use the number given in the question to determine the number of sig figs in your answer. 68.0 kg
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Calculate the number of seconds in two weeks. 2 Wk 1 Wk 7 days 1 day 24 hours = 336 hours
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