Решение задачи по физике раздел 44 пункт 9 квантовая

9. The initial mass of the radioactive isotope Iodine 13153I (half-life T1 / 2 = 8 days) is equal to 1 year to determine: 1) the initial activity of the isotope; 2) its activity after 3 days.

Detailed solution. Decorated in Microsoft Word 2003. (Target decided to use formula editor)