The half-life of plutonium-239 is 24,110 years.Of an original mass of 100. g, how much would remain after 96,4

Question

The half-life of plutonium-239 is 24,110 years.

Of an original mass of 100. g, how much would remain after 96,440 years?

a. 25 g

b. 200. g

c. 6.25 g

d. 50. g

e. 400. g

Answer 1

if you want to say 96440 y this corresponds to 2 half lifes so answer is a 25g

Answer 2

Go open your chemistry text book and actually study the chapter, instead of posting the questions here.