Template:N-life/doc

Usage
Note: decay redirects here.

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Growth
Given that a bacterium doubles every 20 minutes, the number of hours until the population has increased by a factor of 1 million (10^6) would be:

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Radioactive decay
Knowing that the half life of an element is 2 years, the number of days it takes for 10% of the atoms to decay would be:

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You can confirm this result by plugging in  into your calculator, which should yield a result ~0.5.

Probability
Assuming there is a 1% chance of winning a prize per ticket, the number tickets one would need to have a 75% chance of winning:

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You can confirm the final example using the equation  which equals ~0.25 (25% chance of losing).

Range
In 5 years, I plan to be 10-15 times richer than today. Thus, to stay on track, I need to double my wealth every...

years