2-Suppose that the half-life of a certain radioactive substance is 2 days and there are 50g initially, determine the amount of substance remaining after 12 days

Q: The radioactive element​ carbon-14 has a​ half-life of 5750 years. A scientist determined that the…

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Q: In the early 1960s, radioactive strontium-90 was released during atmospheric testing of nuclear…

A: the radioactive decay is a continuous process. Therefore, A=A0ert where A is the amount remaining,…

Q: If the initial mass of an Potassium was 149 grams will remain after 20 hours is 37.25 grams, then…

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Q: 4. How much should be invested at 12.5% compounded continuously to end up with $1000 at the end of 5…

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Q: 2. A certain radioactive substance decays half of itself every 5 days. Initially, there are 50…

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Q: 2. A certain plutonium isotope decays at a rate proportional to the amount present. Approximately…

A: Let  at time t the amount of plutonium is  A(t)

Q: If the initial mass of an Potassium was 159 grams will remain after 16 hours is 39.75 grams, then…

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Q: Suppose a sample of a certain substance decayed to 77.4% of its original amount after 300 days.…

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Q: The half-life of substance X is 3.5 years.  How long will it take for a 96.0 mg sample of substance…

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Q: In the early 1960s, radioactive strontium-90 was released during atmospheric testing of nuclear…

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Q: Suppose that some graduate students left 8 grams of a radioactive substance unattended in their…

A: Consider the quantity of a radioactive substance initially present be N0. If the half-life of this…

Q: A new compound called Corpium radioactively decays at the rate of -0.035% every year. If there is…

A: The decay function is given by N(t)=N0ert Now, given rate is -0.035%. So, the equation becomes…

Q: 6. A sample of tritum-3 decayed to 94.5% of its original amount after a year. (a) What is the…

A: A sample of tritum-3 decayed to 94.5% of its original amount after a year. Note:   Multiple…

Q: 1. The population of Kuhala Island doubles every 3 decades. 2. The amount of radioactive isotope of…

A: Whether each given is an exponential function, exponential equation, or exponential inequality or…

Q: The half life of a decaying substance is the amount of time it takes for the substance to reduced to…

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Q: 4. Te- 105 has a half life of 203.9 hours. If there are 1054 g of Te - 105 initially, how long will…

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Q: A lab currently has 70 mg of radioactive material that decays at 3.5% per year. Federal regulation…

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Q: 2. Suppose that we initially have 500 mg of a radio-active substance as sample. After a year, the…

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Q: 3. A radioactive substance has a half-life of 1620 years. If its mass is now 4 grams, find the time…

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Q: 4.A radioactive substance loses 3% of its substance every 5 years. What is the half-life of this…

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Q: Suppose a nuclear accident releases 50 kilograms of the element Cesium 137. If the half life of…

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Q: 4. A certain type of storage battery lasts on the average 3.0 y of 0.5 year. Assuming that the…

A: Given data,Mean μ=3.0sd σ=0.5P(X<2.3)=?

Q: 7. A radioactive material decays at a rate proportional to its amount. If the material has a…

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Q: How long does it take for 90% of a given quantity of the radioactive element cobalt-60 to decay,…

A: Radioactive element decay rate.

Q: Element X is a radioactive isotope such that every 70 years, its mass decreases by half. Given that…

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Q: Suppose a sample of a certain substance decayed to 75.6% of its original amount after 300 days. (a)…

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Q: suppose a sample of a certain substance decayed to 77.2% of its original amount after 300 days. (two…

A: Let t        = time in daysN(t)  =remaining quantity of certain substance at any time 't'No…

Q: Hello! I need help with this particular question on my study guide. There is an attachment below.…

A: Here we use half-life to calculate the exponential decay:

Q: Element X is a radioactive isotope such that every 4 years, its mass decreases by half. Given that…

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Q: 4. The half-life of carbon-14 is approximately 6000 years. How much of 800 g of this substance will…

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Q: Element X is a radioactive isotope such that every 16 years, its mass decreases by half. Given that…

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Q: Suppose you have 100g of Titanium-44, which has a half-life of 63 years. After how long will only 1g…

A: Initial amount=P=100  Half life= H= 63 years  Final amount= A= 1  Time= t years Using the half-life…

Q: Suppose the amount of Carbon-14 remaining in a sample of 100 milligrams after X years can be…

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Q: 6. Determine the initial amount of radioactive substance if after 22 years, the remaining…

A: To find the initial amount of radioactive substance, decay rate and half-life of the substance.

Q: In 1986 the Chernobyl nuclear power plant exploded, and scattered radioactive material over Europe.…

A: NOTE: Refresh your page if you can't see any equations. . let the initial amount of cesium-137 is…

Q: 9. If you invest $2500 at 2.8% compounded continuously how much will you have at the end of 10…

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Q: A certain element decays at a rate of .000163/year. Of a piece of this element of 450 kg, how much…

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Q: Element X decays radioactively with a half life of 9 minutes. If there are 170 grams of Element X,…

A: Given- Element X decays radioactively with a half life of 9 minutes and there are 170 grams of…

Q: 1. The half-life of a radioactive material is 41.44 minutes. Starting with 840.7 grams of the…

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Q: Suppose a sample of a certain substance decayed to 79.6% of its original amount after 300 days.…

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Q: 11) Suppose that $6500 is invested at 4% for 3 years. Find the total amount present at the end of 3…

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Q: Suppose a small quantity of radon gas, which has a half-life of 3.8 days, is accidentally released…

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Q: If the initial mass of an Potassium was 121 grams will remain after 22 hours is 30.25 grams, then…

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Q: Element X is a radioactive isotope such that every 27 years, its mass decreases by half. Given that…

A: Radioactive decay

Q: If the initial mass of an Potassium was 111 grams will remain after 10 hours is 27.75 grams, then…

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Q: 1. The radioactive isotope hydrogen-3 has a half-life of 12.3 years. a. If a sample of 80 mg of…

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Q: 9. A sample of tritium-3 decayed to 94.5% of its original amount after a year (a) What is the…

A: Consider N (t) is the amount of tritium-3 relative to the original amount, then general form is,

Q: 6. Determine the initial amount of radioactive substance if after 22 years, the remaining…

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Q: Element X decays radioactively with a half life of 9 minutes. If there are 760 grams of Element X,…

A: Formula for half life is as below : N(t)=19 gramsN0=760t = ?t12=9 minutes