Solve the Problem $\mathrm { k } = 4.332 \times 10 ^ { - 4 }$

question 82

Multiple Choice

Solve the problem.
-Find the half-life of the radioactive element radium, assuming that its decay constant is $\mathrm { k } = 4.332 \times 10 ^ { - 4 }$ , with time measured in years.

• A) 800 years
• B) 1400 years
• C) 2308 years
• D) 1600 years

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