If the half-life is 5 minutes, then 30 minutes is equivalent to 6 half-lives. So, after six successive half-lives, the 400 mg of the radioisotope would have a mass of 400(0.5)⁶ = 6.25 mg.
Thus, A would be the correct answer choice here.
Answer:
In 2000, the population of Snowy Egrets went from 5,000 individuals to 15,000 individuals. What is the growth rate over those 4 years?
Well there is no exact answer for that but throughout history there are tales of sacrifice for the gods. (Perhaps looking into the way they sacrificed can help)
An international approach which meaning Trust in Europe, national and local government recent evolutions
Plz give brainliest
