a certain radioactive element has a half-life of 2 months
if you begin with 50g and you return 10 months later, how much element A will remain? Use a table showing number of months and amount remaining:

Question

a certain radioactive element has a half-life of 2 months 
if you begin with 50g and you return 10 months later, how much element A will remain? Use a table showing number of months and amount remaining:

anonymous · Answer

0 month    50g
2 months   25g
4 months   12.5g
etc etc you can fill in the rest :)

anonymous · Answer

what about the equation to determine how much will remain 2 years later?

unklerhaukus · Answer

$$A(t)=A_0\cdot 2^{t/2[\text {mo}]}$$