Multiple Choice
It is known that 75% of a radionuclide decays away in 12 hours.If starting with 10 mCi, how much will be left after 6 hours?
A) 7.5 mCi
B) 5 mCi
C) 2.5 mCi
D) 1.25 mCi
Correct Answer:

Verified
Correct Answer:
Verified
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