A) 5.76 days
B) 5 7.6 days
C) 646 days
D) 4.56 days
Correct Answer: B
Solution :
Key Idea: Use formula, \[T=1.44\times {{t}_{1/2}}\]to solve the question. Here T = average life \[{{t}_{1/2}}=\]Half-life period = 40 days. Substituting the values \[=1.44\times 40\] = 57.6 daysYou need to login to perform this action.
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