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The Decay Constant of a Radioactive Nuclide Is 4 $10 ^{- 3}$

Question 142

Multiple Choice

The decay constant of a radioactive nuclide is 4.6 × $10 ^{- 3}$ $\mathrm { s } ^ { - 1 }$ What is the half-life of this isotope,in minutes?

A) 2.5 min
B) 3.6 min
C) 3.1 min
D) 1.4 min
E) 2.0 min

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