How much time would it take for 5.2 x 10^5 atoms of fermium-253 (half-life 3 days) to decay to 6.5 x 104 atoms? Please help ASAP!!! :(

Question

asked May 27, 2020 185k views

1 Answer

Junius L · Answer 1 · 2020-05-30T23:19:40+0000

Answer:

9 days, or 3 half-lives

Step-by-step explanation:

5.2x10^5=520000

6.5x10^4=65000

65000/520000=1/8, or 3 half-lives

3x3=9 days

I'm not the greatest at Chem but this seems more like math than Chem :)