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einsteindude einsteindude
wrote...
Posts: 5058
9 years ago
Radon has a 4-day half-life. Starting with 10 radon atoms, how many will remain after 4 days?
A) Precisely zero.
B) About 5, but this prediction is uncertain due to the inaccuracies of our measuring devices.
C) Precisely five.
D) About 5, but this prediction is uncertain due to quantum uncertainties.
E) Either four, or five, or six.
Textbook 
Conceptual Physical Science

Conceptual Physical Science


Edition: 6th
Authors:
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mel!811mel!811
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9 years ago
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