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    Mathematics A-Level

    Fundamental S.I. quantities

    What Fundamental S.I. quantities means in Mathematics A-Level, as defined for Pearson Edexcel.

    Definition of Fundamental S.I. quantities

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    Reference: Pearson Edexcel

    Length measured in metres, time in seconds and mass in kilograms, the three quantities from which derived quantities are formed.
    Pearson Edexcel · Quantities and units in mechanics (study guide)

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