Multiple Choice
If we start with 1.000 g of cobalt-60, 0.675 g will remain after 3.00 y. This means that the half-life of cobalt-60 is ________ y.
A) 3.08
B) 4.44
C) 2.03
D) 5.29
E) 7.65
Correct Answer:
Verified
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