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Math Help - I face problem in ( Signifincant digits )

  1. #1
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    I face problem in ( Signifincant digits )

    Hi all

    I face problem in ( Signifincant digits )

    sometimes in question want the answer 2 or 3 or 4 ..etc

    for example :

    Evaluate X to 4 significant digits in question If
    log x = - 1.2543

    or

    Evaluate X to 5 significant ditis in
    X = In ( 3.4562x 10 ^15 )

    How I Find the solution by 5 significant or 2 or etc
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  2. #2
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    \log{x} = -1.2543

    x = 10^{-1.2543} = 0.05568 to four significant digits.

    written in scientific notation, x = 5.568 \times 10^{-2}


    go to the link to learn more about the rules for significant figures

    Rounding and Significant Digits
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  3. #3
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    thnks , but the website not open
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  4. #4
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    Quote Originally Posted by r-soy View Post
    thnks , but the website not open
    link works fine ... try again.
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