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Strontium-90 decays through the emission

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Strontium-90 decays through the emission of beta particles. It has a half-life of 29 years. How long does it take for 80% of a
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2. asked by Urgent Help
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Suppose strontium-90 decays at a rate of 2 percent per year. (a) Write the fraction P of strontium remaining, as function of t,
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2. asked by Anonymous
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Suppose strontium-90 decays at a rate of 2 percent per year. (a) Write the fraction P of strontium remaining, as function of t,
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2. asked by Anonymous
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Suppose strontium-90 decays at a rate of 2 percent per year.(a) Write the fraction P of strontium remaining, as function of t,
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The half-life of 13252Te is 3.26 days. This isotope decays by beta emission to a highly unstable intermediate that decays
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2. asked by brody
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Suppose strontium-90 decays at a rate of 2 percent per year.(a) Let P(t) denote that fraction of strontium that remains after t
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2. asked by Lexi
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a) Na-22 decays in two ways. In 100 atoms of Na-22 decaying, how many would decay by positron emission and how many would decay
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2. asked by Naresh
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Suppose strontium-90 decays at a rate of 2 percent per year.(a) Write the fraction P of strontium remaining, as function of t ,
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2. asked by Lexi
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Suppose strontium-90 decays at a rate of 2 percent per year.(a) Write the fraction P of strontium remaining, as function of t,
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2. asked by Anonymous
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Suppose strontium-90 decays at a rate of 2 percent per year.(a) Write the fraction P of strontium remaining, as function of t,
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2. asked by mac
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