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What Is the Decay Constant for a Radioactive Isotope Which

Question 79

Multiple Choice

What is the decay constant for a radioactive isotope which decreases to 34% of its original value in 2.48 hours?

A) 0.137 hr^-1
B) 0.168 hr^-1
C) 0.435 hr^-1
D) 2.30 hr^-1

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