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EasyExponentials & logarithms
OpenStax, Algebra and Trigonometry 2e §6.6 Exponential and Logarithmic Equations · Example 17 · Algebra · Exponentials & logarithms

Using the Formula for Radioactive Decay to Find the Quantity of a Substance

How long will it take for ten percent of a 1000-gram sample of uranium-235 to decay?

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OpenStax, Algebra and Trigonometry 2e · §6.6 Exponential and Logarithmic Equations · Example 17

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