Question

The half-life of a

radioactive kind of
cadmium is 14 years.
How much will be left
after 28 years, if you
start with 72 grams of it?

Answer 1

144 or 2016

Explanation:

depends on what you mean if its 72 grams at year 14 it would be 144 if its 72 grams on year 1 it would be 2016