What is the half-life of this nuclide

Reference no: EM13309967

A sample of the radioactive nuclide is prepared that has an initial activity of 7.28×1011 .92.4 after the sample is prepared, the activity has fallen to . What is the half-life of this nuclide? How many radioactive nuclei were initially present in the sample? Please show work!!!

Reference no: EM13309967

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