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Homework Help: A Simple Question on Notation

  1. Jan 15, 2008 #1
    [SOLVED] A Simple Question on Notation

    1. The problem statement, all variables and given/known data

    For this, P=rho

    "A ball of density Pb (with Pb << Pa) and..."

    What does the "<<" symbol indicate? I have never seen this notation before.


  2. jcsd
  3. Jan 15, 2008 #2


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    Homework Helper

    << means "much less than"
  4. Jan 15, 2008 #3
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