Answer:
1.0 mL each day
Explanation:
The required daily dosage of vitamin D is 10 micrograms.
The supplement contains 5 micrograms per 0.5mL.
The volume of supplement necessary to fulfill the daily requirements of vitamin D is:
![V=(0.5\ mL)/(5\ mcg)*10\ mcg\\ V=1.0\ mL](https://img.qammunity.org/2021/formulas/mathematics/high-school/thhl80mkapbs6qnpit9v05qxzyj86g371g.png)
She should administer 1.0 mL of the supplement each day.