rdtc2014 rdtc2014

14-05-2021
Physics

contestada

After 60 days, 100g of a certain element has decayed to only 12.5g.
What is the half- life of this element?
А
30 days
B.
8 days
С
20 days
D
5 days

Respuesta :

jrill20 jrill20

14-05-2021

Answer:

8 days

Explanation:

Answer Link

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