Answer:
[tex]\begin{gathered} 18\text{ milliliters per each bottle} \\ 0.18\text{ deciliters per each bottle} \end{gathered}[/tex]Step-by-step explanation:
Divide 180 milliliters into 10 equal bottles:
[tex]\frac{180}{10}=18\text{ milliliters per each bottle}[/tex]Then, to determine how many deciliters, do the conversion dividing it by 100:
[tex]\frac{18}{100}=0.18\text{ deciliters per each bottle}[/tex]