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Math Help - significant digits

  1. #1
    Member
    Joined
    Nov 2005
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    significant digits

    Hi ,
    I have a quick question about significant digits number
    what is -256453 rounded at 3 significant digits?
    what is -3816.512 rounded at 4 significants digits?
    I am confused when I have to rounded negative numbers.

    Can someone help me please?
    B
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  2. #2
    Junior Member
    Joined
    Dec 2005
    Posts
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    Quote Originally Posted by braddy
    Hi ,
    I have a quick question about significant digits number
    what is -256453 rounded at 3 significant digits?
    what is -3816.512 rounded at 4 significants digits?
    I am confused when I have to rounded negative numbers.

    Can someone help me please?
    B
    the sign is not one of the digits it has place both in positive and negative numbers (you need to keep the sign in both of them)

    so in your case -256453=-256, -3816.512=-3816
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