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Math Help - 900 to 1, 2, or 3 significant figures?

  1. #1
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    900 to 1, 2, or 3 significant figures?

    Hi, can anyone explain to me why 900 (or any similar numbers) can be given as one, two or three significant figures? I don't get it.
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  2. #2
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    900 may be written in scientific notation as

    90X10^1

    9X10^2
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  3. #3
    Forum Admin topsquark's Avatar
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    Also 900 to three sig figs is 900. <--A decimal point, not a period.

    -Dan

    PS Also, to 1 fig we have 9 x 10^2
    For 2 fig we have 9.0 x 10^2
    For 3 fig we have 9.00 x 10^2

    Also the 90 x 10^1 has only has 1 sig fig
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