Which combination of SI base units correctly represents the unit of density based on its dimensional formula?
Kilogram per metre cubed
Density, defined as mass per unit volume, is correctly represented in SI base units as kilogram per metre cubed.
Gram per litre, kilogram per litre and milligram per cubic centimetre use non-SI base units, not the correct SI combination for density.
Hence, 'Kilogram per metre cubed' is the correct answer.
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