4. If caffeine has a half-life of 2 hrs., how many of 140 mg of caffeine remain in Mr. Moreno's system after 10 hrs.?

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Q: If 525 mg of a radioactive element decays to 450 mg in 48 hours, what is its half-life?

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Q: The half-life of plutonium-241 is approximately 13 years. How much time is necessary for a sample…

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Q: The half-life of Palladium-100 is 4 days. After 24 days a sample of Palladium-100 has been reduced…

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Q: 2. Suppose a nuclear accident releases 50 kilograms of the element Cesium 137. If the half life of…

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Q: Assume a quantity decreases by 5.1% in 7.5 hours.What is the half-life of the substance?

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Sequence and Series

A sequence is defined as a collection of things. Series is defined to sum the things one by one in the sequence.  It was invented by German mathematician Carl Friedrich Gauss.