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How to calculate the decimal power?

  1. Aug 18, 2016 #1
    (0,212765957)² = ?
     
  2. jcsd
  3. Aug 18, 2016 #2

    fresh_42

    Staff: Mentor

    Do you want to know how to open the calculator on the device you were typing this?
    And are you using a comma as separation sign for 0.2 = 1/5?
     
  4. Aug 18, 2016 #3
    Thank you, the result is
    0,045269352458115849
     
  5. Aug 18, 2016 #4

    symbolipoint

    User Avatar
    Homework Helper
    Education Advisor
    Gold Member

    You may have already learned how. Your base is a decimal number and your exponent is a natural number.
    (0.212765957)^2
    (212765957*10^-9)^2
    (212765957)^2*(10^(-18))
    but really, the easier way as already said, use a calculator.


    ******
    [tex](0.212765957)^2[/tex]
    [tex](212765957*10^{-9})^2[/tex]
    [tex](212765957)^2*(10^{-18})[/tex], that negative eighteen is supposed to be an exponent.
    Mod note: Fixed the exponent.
    symbolipoint note: Thanks, Mod; now I fixed the negative nine exponent also.
     
    Last edited: Aug 19, 2016
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