The half-life of Plutonium−239, t1/2 is 2.41 × 10⁴<span> yrs
time taken to reach tolerable level = seven half-lives
= 7 x t1/2
= 7 x </span>2.41 × 10⁴ yrs
= 168700 yrs
= 1.687 x 10⁵ yrs
Hence, the period of time that <span>Plutonium-239 must be stored is </span>1.687 x 10⁵ years.
Box will accelerate to the left.
Eon Era Period Epoch AgePhanerozoic Cenozoic Paleogene Oligocene Chattian Rupelian
Answer:
Sure!
Explanation:
I could use someone to talk to so I don't see why not.
