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?
1 answer:
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Answer:
Step-by-step explanation:
hello,
first of all we will study the quadratic expressions
we can write that, (the different answers provide good clues :-) )
and
so first of all as we cannot divide by 0 we need to take x different from 7, -12 and -30 and then we can write
hope this helps