You have 2,088 grams of a radioactive kind of xenon. How much will be left after 18 hours if its half-life is 9 hours? So idk.. 18 divied by 9 then.. idk

Question

asked Mar 21, 2019 195k views

1 Answer

Alexander Makarov · Answer 1 · 2019-03-28T07:07:33+0000

After 9 hours there will be 2088 / 2 = 1044 grams left

After another 9 hours ( total of 18 hours) there will be 1044 / 2

= 522 grams left