Multiple Choice
A freshly prepared sample of curium-243 undergoes 3312 disintegrations per second.After 8.00 yr,the activity of the sample declines to 2591 disintegrations per second.What is the in years of
?
A) 22.6
B) 6.26
C) 10.2
D) 1.36
E) 32.6
Correct Answer:

Verified
Correct Answer:
Verified
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