The half-life of a radioactive substance is 3.6 days. How much of 20 m – McqOptions

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1.	The half-life of a radioactive substance is 3.6 days. How much of 20 mg of this radioactive substance will remain after 36 days [Pb. PMT 2003]
A.	0.0019 mg
B.	1.019 mg
C.	1.109 mg
D.	0.019 mg
Answer» E.

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