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40 votes
Please I need help ASAP

Please I need help ASAP-example-1
User William Remacle
by
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1 Answer

19 votes
19 votes

Answer: 50 mg

Explanation:

Substituting into the half-life formula, we get that


N(t)=800\left((1)/(2) \right)^(t/25)

So, after 100 years,


N(100)=800\left((1)/(2) \right)^(100/25)=\boxed{50 \text{ mg}}

User Sneha Bansal
by
3.3k points