Answer:
6.2
Step-by-step explanation:
A P E X
So you are going to times 115.9 by 50 and you get 5795 then you minus 3% what gets you 5621.15.
Answer:
about 5.84 mg
Step-by-step explanation:
The amount remaining after t days can be written as ...
remaining = initialAmount · (1/2)^(t/(halfLife))
Filling in the given numbers, you have
remaining = (40 mg)·(1/2)^(180/64.84) ≈ 5.84 mg
About 5.84 mg would be left after 180 days.
