Given 3600 g of uranium 235. It has a half life of 40,000 years. How much is left after 240,000 years?

The answer to your question is: 56.25 g of Uranium

Explanation:

Data

mass = 3600 g of Uranium 235

half life = 40000 years

How much after 240 000 years

3600 g of Uranium right now

1800 g 40 000 years

900 g 80 000 years

450 g 120 000 years

225 g 160 000 years

112.5 g 200 000 years

56.25 g 240 000 years