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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

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
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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

asked
User Gordon Bell
by
8.0k points

1 Answer

3 votes

Answer:

8 days

Step-by-step explanation:

answered
User AspOnMyNet
by
7.9k points
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