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How Long Would It Take 4

Question 88

Multiple Choice

How long would it take 4.00 × 1020 atoms to decay to 1.00 × 1019 atoms if their half-life was 14.7 years?


A) 29.4 years
B) 58.8 years
C) 78.2 years
D) 147 years

Correct Answer:

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