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Use the Fact That the Quantity of a Radioactive Substance

Question 39

Multiple Choice

Use the fact that the quantity of a radioactive substance after t years is given by Use the fact that the quantity of a radioactive substance after t years is given by where is the original amount of radioactive material and k is its half-life (the number of years it takes for half the radioactive substance to decay) . The half-life of strontium-90 is 25 years. Find the amount of strontium-90 remaining after 7 years if . Round your answer to one decimal place. ​ A) 8.1 kg B) 79.1 kg C) 5.8 kg D) 116.6 kg E) 0.8 kg where Use the fact that the quantity of a radioactive substance after t years is given by where is the original amount of radioactive material and k is its half-life (the number of years it takes for half the radioactive substance to decay) . The half-life of strontium-90 is 25 years. Find the amount of strontium-90 remaining after 7 years if . Round your answer to one decimal place. ​ A) 8.1 kg B) 79.1 kg C) 5.8 kg D) 116.6 kg E) 0.8 kg is the original amount of radioactive material and k is its half-life (the number of years it takes for half the radioactive substance to decay) . The half-life of strontium-90 is 25 years. Find the amount of strontium-90 remaining after 7 years if Use the fact that the quantity of a radioactive substance after t years is given by where is the original amount of radioactive material and k is its half-life (the number of years it takes for half the radioactive substance to decay) . The half-life of strontium-90 is 25 years. Find the amount of strontium-90 remaining after 7 years if . Round your answer to one decimal place. ​ A) 8.1 kg B) 79.1 kg C) 5.8 kg D) 116.6 kg E) 0.8 kg . Round your answer to one decimal place.
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A) 8.1 kg
B) 79.1 kg
C) 5.8 kg
D) 116.6 kg
E) 0.8 kg

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