Strontium-90 has a half-life of 28 days.A sample has a mass of 50 mg initially.Find a formula for the mass remaining after 
days.
Definitions:
Moral Persons
Beings who are capable of making ethical decisions and understanding the difference between right and wrong.
Institutional Justice
Institutional justice refers to the fairness and equality upheld within the structures and systems of institutions, including laws, policies, and their implementation.
Equality
The state of being equal, especially in status, rights, and opportunities.
Least Advantaged
Referring to individuals or groups that are most disadvantaged or lacking in resources, opportunities, and support in a society.
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