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A sample contains 3.5×1019 radioactive

Find the sum of 2.54 x 1019 and 3.218 x 1017.Group of answer choices 2.57218 x 1036 3.2434 x 1019 2.57218 x 1019
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2. asked by meoww :3
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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
3. 6,127 views
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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2. 66 views
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 sample contains 3.5×1019 radioactive atoms with a half life of 10000 years. How many atoms are expected to decay in the first
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2. asked by Maria
3. 489 views
The quantity Q of radioactive carbon remaining in a 200-gram wood sample at time t is given by the expressionQ(t)=200e^(−0.000
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2. asked by Ann
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