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Half life formulas

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Use the appropriate half life formula for the case described below. Discuss whether the formula is valid for the case described.

Poaching is causing a population of zebras to decline by 8% per year.

What is the half life of the population?

If there are 10,000 zebras today, how many will remain in 60 years?

Does the appropriate half life formula give a valid approximation in the case described?

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This solution answers questions regarding half life formulas.

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Using the approximate half-life formula, we get ...

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