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Question 9 After 60 days, 100g of a certain element has decayed to only 12.5g. What is the half-life of this element? A.) 20 days B.) 30 days с.) 8 days D.)5 days

Question 9 After 60 days, 100g of a certain element has decayed to only 12.5g. What is the half-life of this element? A.) 20 days B.) 30 days с.) 8 days D.)5 days
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Question 9

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

asked
User Fatih Santalu
by
8.2k points

1 Answer

2 votes
30 days I think because I am not so sure
answered
User Egor Ignatenkov
by
8.2k points
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