Question

Fluorine-18 is a radioactive isotope of fluorine that is used in medical imaging scans. It has a
half-life of approximately 110 minutes. If a patient has a medical imaging scan using an
injection of fluorine-18 at 9 am, at what time will there be less than 25% of the radioactive
isotope in her body?
a) 10 am
b) 12 pm
c) 1 pm
d) 11 am

please tell me the answer ...
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Answer 1

Answer:

Hope you will understand it.

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Answer 2

Explanation:

hope u get that..

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