Question

If 100g of nuclear waste Pu-239 is generated in a nuclear reactor, how long will it take to reduce down to 6.75g of Pu-239?

Answer 1

See below...

Step-by-step explanation:

6.79 = 100 ( 1/2)^n solve for n = number of half lives

3.88 half lives

3.88 * 24000 = 93 130.7 years