1. I have a decayed

  1. You have a sample of a certain radioactive substance. After two days, thirty percent of the sample has decayed. What is the
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    2. mathhh asked by mathhh
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  2. You have a sample of a certain radioactive substance. After two days, thirty percent of the sample has decayed. What is the
    1. answers icon 1 answer
    2. math asked by math
    3. views icon 573 views
  3. How much a 2.00 g 239 Pu would have decayed after 1.6 x 10^4 years? The half-life for 239 Pu is 2.4 x 10^4 years.amount
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    2. James asked by James
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  4. Can you check these sentences for me, please? Thank you.1) I had a terrible pain in my tooth. I went to the dentist and he told
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    2. Franco asked by Franco
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  5. Why are coal and petroleum called fossil fuels?(1 point)Responses They provide energy for fossils. They provide energy for
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    2. AG7 asked by AG7
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  6. Why are coal and petroleum called fossil fuels?(1 point) Responses They provide energy for fossils. They provide energy for
    1. answers icon 1 answer
    2. panda asked by panda
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  7. Which of these tasks is completed with infrared radiation? (1 point)Responses diagnosing a broken bone or decayed tooth
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  8. Which of these tasks is completed with infrared radiation? (1 point) Responses diagnosing a broken bone or decayed tooth
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    2. pookie! asked by pookie!
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  9. Which of these tasks is completed with infrared radiation? (1 point)Responses removing bacteria from the air in hospitals
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  10. Which of these tasks is completed with infrared radiation? (1 point)Responses diagnosing a broken bone or decayed tooth
    1. answers icon 1 answer
    2. views icon 35 views