Question

The half-life of a certain isotope of uranium is 2,315 years. How much of an
initial sample of 30 grams would be left after 10,000 years?

Answer 1

Answer:

The answer to your question is: there would be 1 g approximately

Step-by-step explanation:

half life U 2315 years

initial sample = 30 g

mass after 10 000 years

                   30 g  -----------------------  today

                   15 g    ----------------------  2315 years

                   7.5 g   ---------------------- 4630 years

                   3.75 g ---------------------  6945 years

                  1.88 g  ---------------------   9260 years

                  0.94 g ---------------------   11575 years