Multiple Choice
The half-life of radioactive Technetium-99 is 6.0 hours.Find the number of 99Tc nuclei necessary to produce a sample of activity 1.9 µCi.(1 Ci = 3.7 × 1010 decays/second)
A) 5.9E-2
B) 2.2E+9
C) 1.5E+9
D) 6.1E+5
E) 4.2E+5
Correct Answer:
Verified
Correct Answer:
Verified
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