Answer:
you are 11-16 years old and love one direction
1. is a sea turtle
2. is a iguana
3. is a frigate bird
4. is a blue footed bird
5. is a galapagos tortoise
6. is a hammerhead shark
I hope I helped :)
More awnser more people can see if this works
Answer:
k=5/9. is constant of proprinatlty
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.
