Лаг1989 задача №26.3
The number of radioactive atoms of the bismuth isotope 83Bi 210 decreased by 13% during one day. Determine the half-life of this isotope.
Thank you for your purchase. If you have any questions, write to the post office (see the "Seller" section)
Оплата и выдача товара осуществляются через партнёрскую платформу.