Dimensional analysis

(g/day)*(ug/kg)*(kg.day/mg)/
kg

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  1. (g/day)*(ug/kg)*(kg.day/mg)/kg
    = g*ug/(mg*kg)
    = (g/mg)*(ug/kg)= 10^3*10^-9 = 10^-6

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  2. (11.38 g/day)*(2.82ug/kg)*(17.5kg-day/mg)/20kg

    = 0.000000002808015
    What would be the symbol after the number g/kg, ug/kg? I have no clue

    Please help

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