mayfieldjonathan62 mayfieldjonathan62

06-12-2019
Physics

contestada

A radioactive isotope has a half-life of ten days.how much of a 100 gram sample will be left after 20 days

Respuesta :

mark2674 mark2674

06-12-2019

Answer:

25

Explanation:

after10 days it would be 50 then it would be 25 after another 10

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