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Percentage uncertainty

  1. Oct 12, 2009 #1
    i have these two question i need help

    1. given y=3x2 find the percentage error in y if there is a 3.5% in the calculation of x



    2. the volume of a sphere is give by V= 4/3 pie r3. find the percentage error in the volume when there is a 2% error in the radius
     
  2. jcsd
  3. Oct 12, 2009 #2

    LCKurtz

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    What have you tried? What is the formula for percentage error in terms of differentials?
     
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