There are 10 ^ 8 atoms of the radioactive isotope 127 / 53I iodine, the half-life of which is 25 minutes.

There are 10 ^ 8 atoms of the radioactive isotope 127 / 53I iodine, the half-life of which is 25 minutes. How many nuclei of this isotope will decay in 1 h 20 min?

Decision:
80: 25 = 3.2
n2 = 10881392.8
Answer: 10881392.8



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