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The half-life of 3H (H-3) is 12 years. About how long does it take for 127/128 of a sample of that radionuclide to decay? (Hint: this means only 1/128 are left) A: 7 years B:11.9 years C:84 years D:12.
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4 votes
4 votes
The half-life of 3H (H-3) is 12 years. About how long does it take for 127/128 of a sample of that radionuclide to decay? (Hint: this means only 1/128 are left)

A: 7 years
B:11.9 years
C:84 years
D:12.1 years

User Paul Gorbas
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2 Answers

23 votes
23 votes

Answer:

i do believe its 7

Step-by-step explanation:

User Krdx
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3.1k points
24 votes
24 votes

Answer:84

Step-by-step explanation:

User Pbuchheit
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3.0k points
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