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    Mathematics GCSE

    upper and lower bounds

    What upper and lower bounds means in Mathematics GCSE, as defined for Pearson Edexcel.

    Definitions of upper and lower bounds

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    Reference: Pearson Edexcel

    The limits of accuracy of a rounded measurement, written down for every measurement before any calculation with bounds is started.
    Pearson Edexcel · Number - Measures and accuracy (study guide)
    The extremes of the range of possible true values for a rounded measurement.
    Pearson Edexcel · Number - Measures and accuracy (study guide)

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