Question

-3
-1
min
59) What is the half-life period of a sample where decay constant is 1.386x10
(A) 500 min
(B) 300 min
(C) 200 min
(D) 100 min
60)
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Answer 1

Answer:

I think 500 minutes is answer

Answer 2

Answer:

A) 500 min the half-life period of a sample where decay constant is 1.386x10