Multiple Choice
The half-life of cobalt-60 is 5.20 yr.How many milligrams of a 2.000-mg sample remain after 9.50 years?
A) 0.565
B) 7.03 × 10-22
C) 7.076
D) 1.095
E) 1.435
Correct Answer:
Verified
Correct Answer:
Verified
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