Mathematics, 03.03.2021 17:40, avagymnast421

Co-60 has a half life of 5.3 years. If a pellet that has been in storage for 26.5 years contains 14.5g of Co-60, how much of this radioisotope was present when the pellet was put in storage?

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Co-60 has a half life of 5.3 years. If a pellet that has been in storage for 26.5 years contains 14....