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Another chem related math question

  1. Jun 30, 2005 #1
    In the expression:

    ksp = (3.42 x 10^-7) (6.84 x 10^-7)^2
    = 1.6 x 10^-19

    I don't understand how the final answer is found. Can someone show me a step by step? I'm attempting to understand how to do these types of questions! Any help is greatly appreciated!
  2. jcsd
  3. Jun 30, 2005 #2
    You're having trouble multiplying the exponents? I have a feeling you didn't ask the entire question.
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