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    Mathematics A-Level

    SI base units

    What SI base units means in Mathematics A-Level, as defined for WJEC.

    Definition of SI base units

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    Reference: WJEC

    The fundamental mechanical base quantities are length, measured in metres (m); time, measured in seconds (s); and mass, measured in kilograms (kg).
    WJEC · Quantities and units in mechanics (AS Unit 2: Applied Mathematics A)

    Topics that use SI base units

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    Using SI base units in the exam

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