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01-03-2021
Mathematics

contestada

how much of a radioactive kind of protactinium will be left after 28 hours if you start with 672 grams and the half-life is 7 hours?

Respuesta :

01-03-2021

Answer:

Step-by-step explanation:

672·0.5^(28/7) = 672·0.5⁴ = 42 grams

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