1. Units of length such as kilo-metre, metre, centi-metre, and milli-metre should be written in lowercase, except at the beginning of a sentence. Their symbols (km, m, cm, mm) are also lowercase and should not be followed by an ‘s’ for pluralization.

    Units of length such as kilo-metre, metre, centi-metre, and milli-metre should be written in lowercase, except at the beginning of a sentence. Their symbols (km, m, cm, mm) are also lowercase and should not be followed by an ‘s’ for pluralization.

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  2. A measuring tape is preferred for measuring a tree's girth because it is flexible and can easily conform to the tree's curved surface. In contrast, a metre scale is rigid and impractical for wrapping around irregular shapes, making accurate measurements difficult.

    A measuring tape is preferred for measuring a tree’s girth because it is flexible and can easily conform to the tree’s curved surface. In contrast, a metre scale is rigid and impractical for wrapping around irregular shapes, making accurate measurements difficult.

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  3. A 15-cm scale is appropriate for measuring the length of a pencil. It provides precise measurements for small objects, ensuring accuracy in determining the pencil's length within its manageable range.

    A 15-cm scale is appropriate for measuring the length of a pencil. It provides precise measurements for small objects, ensuring accuracy in determining the pencil’s length within its manageable range.

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