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    to find the percentage uncertainty for an apparatus, when should we multiply the uncertainty by two and when should we not?
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    depends on how many times you use the apparatus
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    (Original post by EUSHA)
    to find the percentage uncertainty for an apparatus, when should we multiply the uncertainty by two and when should we not?
    We multiply twice for apparatus like thermometer because we take 2 readings intial and final same with Burette Hope this helps
 
 
 
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Updated: May 8, 2016
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