The specific rate constant for the decay of tc-95

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Problem- The specific rate constant for the decay of Tc-95 (Technetium 95 is a radioactive isotope) Te is 0.0346 h-1. What is its half-life?

(a) 10.6 h (b) 8.70 h (c) 28.9 h (d) 0.0499 h (e) 20.0 h

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