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

Question

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The Answer of Radon has a 4- day half- life. Starting with 10 radon atoms, how many will remain after 4 days?
A) About 5, but this prediction is uncertain due to the inaccuracies of our measuring devices.
B) Precisely five.
C) Either four, or five, or six.
D) Precisely zero.
E) About 5, but this prediction is uncertain due to quantum uncertainties.

Radon Has a 4- Day Half- Life