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Easiest way to take the square root of a number in scientific notation, or 3rd root..

Discussion in 'MCAT: Medical College Admissions Test' started by theDr., Apr 15, 2004.

  1. theDr.

    theDr. Senior Member
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    Easiest way to take the square root of a number in scientific notation, or 3rd root, or 4th root...etc. THANKS
     
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  3. CanIMakeIt

    CanIMakeIt Fellow
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    For square root just divide the quotient by 2 etc etc
     
  4. gdk

    gdk Senior Member
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    just think of all roots as fractional exponents

    sqrt(2x10^4) = (2x10^4)^(1/2)
    = 1.4x10^2

    rememer (10^x)^y = 10^(x*y)
     
  5. willthatsall

    willthatsall Unretired
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    great explanation. :thumbup:
     

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