Part 1: Decay Rate graphBy READING the R vs t graph shown below, determine R. & the mean life.R (x10¹² decays/s)129.6.3.1Part 2: Half-life (straightforward determination)260.40.320.14A pure sample of a newly discovered radioactive element is discovered. After 8 s, only half of the element remains. What's the half-life ofthe element?8sA pure sample of a second newly discovered radioactive element is discovered. After 323 s, only a quarter of the element remains. What'sthe half-life of the element?161.5 s ✓2t(s)5A pure sample of a third newly discovered radioactive element is discovered. After 453 s, only 1/8 of the element remains. What's the half-life of the element?151 sPart 3: Half-life graphBy READING the N vs t graph shown below, determine N. & the half-life.N (x10¹8 atoms)80A pure sample of a fourth newly discovered radioactive element is discovered. After 2736 s, only 1/256 of the element remains. What's thehalf-life of the element?342 s3 4Ro 11.4e125 6mean life = 12 s7 8 9 10t(h)decays/sxNo=64e18half-life = 12 satomsX

Half life is time taken to reduces the number to half.

Answered: By READING the R vs t graph shown…

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By READING the R vs t graph shown below, determine R. & the R(x10¹² decays/s) 12 mean life.