Sodium 24 has a half-life of approximately 15 hours. Consider a sample of 100 milligrams.

Write an equation to determine the number of milligrams remaining after t days. Show all work.
How many milligrams are remaining after 45 hours? Show all work.
How long will it be until there are 5 milligrams remaining? Show all work.

Sodium 24 has a halflife of approximately 15 hours Consider a sample of 100 milligrams Write an equation to determine the number of milligrams remaining after t class=