Convert 2500mg to kg
step 1: convert 2500mg to g
[tex]\begin{gathered} 1000mg\text{ = 1g} \\ 2500mg=x\text{ g} \\ x=\frac{2500}{1000}=2.5g \end{gathered}[/tex]step 2: Convert 2.5 g to kg
[tex]\begin{gathered} 1000g=1\operatorname{kg} \\ 2.5g=y\text{ kg} \\ y=\frac{2.5}{1000}=0.0025\operatorname{kg} \end{gathered}[/tex]Therefore, 2500mg is equivalent to 0.0025kg
