Multiple Choice
An isotope of Tc having a half-life of 6.0 h is used in bone scans. If a certain amount of this Tc is injected into the body, how long does it take for its initial decay rate to decrease BY 99%?
A) 0.060 h
B) 3.3 h
C) 33 h
D) 40 h
E) slightly more than a month
Correct Answer:
Verified
Correct Answer:
Verified
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