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A radioactive sample starts with

Assume a sample of material must undergo a single radioactive decay process (beta decay for example). How many nuclei in the
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2. asked by Anonymous
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The function f (x) = 735 (1/2)^x models the number of grams in a sample of a radioactive substance after x years. Which
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The mass of a radioactive sample is represented in the graph below. The initial mass of 32 mg decays to 8 mg after 21 hours.1)Wh
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2. asked by alejandro
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An unknown radioactive element decays into non-radioactive substances. In 420 days the radioactivity of a sample decreases by 39
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2. asked by Kim
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The function f (x) = 735(1) models the number of grams in a sample of a radioactive substance after x years. Which statements
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An unknown radioactive element decays into non-radioactive substances. In 120 days the radioactivity of a sample decreases by 59
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2. asked by Erica
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How many half lives will it take for a sample of a radioactive isotope containing 20000 radioactive nuclei to decay to 2000
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2. asked by Dianne
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A radioactive isotope has a half life of 8.1 days. If the sample starts with 25 grams, how much will there be after 90 days?
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2. asked by Jennifer
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A sample starts with 1000 radioactive atoms. How many half-lives have elapsed when 875 atoms have decayed?I am not sure how to
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2. asked by Amena
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Nick starts with 20milligrams of a radioactive substance. The amount of the substance decreases by 12 each week for a number of
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