At T = 0 There Are $$4.11 \times 10 ^ { 11 }$$

question 18

Essay

At t = 0 there are $$4.11 \times 10 ^ { 11 }$$ nuclei of a particular nuclide in a sample. The $$\text { decay rate is measured to be } 3.21 \times 10 ^ { 6 } \mathrm {~s} ^ { - 1 } \text {. Calculate the half-life. }$$

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