9. If 75 mg of a radioactive substance decays to 15 mg in 20 years, find the Half-Life, in minutes, of the substance. USE: N= No 2

Q: Element X decays radioactively with a half life of 11 minutes. If there are 300 grams of Element X,…

A: Given information: The half life h =11 min, there are 300g of element X. To find: The time it will…

Q: Find the half-life of a radioactive substance that decays by 4% in 3 years. (Round your answer to…

A:

Q: The half-life of Carbon-14 is 15 years. How much of an initial 183 g sample will remain after 38…

A:

Q: If 250 mg of a radioactive element decays to 200 mg in 53 hours, find the half-life of the element…

A:

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

A: Solution:-  The sample of the certain substance decayed to 75.6% of its original amount after 300…

Q: a) How much power will be available after 322 days? b) What is the​ half-life of the power​ supply?…

A: In the question it is asked to compute results for the power function given in question.

Q: A radioactive substance has a half-life of 29 years. What percent remains 80 years after being…

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Q: 12. The half-life of silicon-32 is /10 years. If 70 grams is present now, how much will be present…

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Q: Suppose a sample of a radioactive substance weighs 30 mg. One year later, the sample weighs 27.5 mg.…

A: Since, it is given that a sample of substance weighs 30 mg. After one yearlater the sample weighs…

Q: 30% of a radioactive substance has decayed after 10years, what is its half-life? 15.9 years 16.7…

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Q: (2) The half-life of titanium-44, a radioactive isotope, is 63 years. If a substance starts out with…

A: Here, we are going to solve question number 2 and for the remaining question post the question…

Q: A certain hermit wants to design a reactor using radioactive material A that will be converted into…

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Q: The half-life of Carbon-14 is 10 years. How much of an initial 138 g sample will remain after 49…

A: Radioactive decay.

Q: 4) Use the situation to answer the question. Iodine-131 has a half-life of 8 days. How much of the…

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Q: An unknown radioactive element decays into non- radioactive substances. In 240 days the…

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Q: The half-life of a radioactive radium is 1650 * years, what percentage of the amount present now…

A: Here first we find rate of decay rate using half life formula t12=-1rln12wheret12=half lifer= decay…

Q: A scientist wants to determine the halflife of a certain radioactive substance. She determines that…

A: The half life function is given by: N(t)=N0(0.5)t/t1/2 where N(t) is the final amount in milligrams…

Q: It is found that 0.5% of radium disappears in 12 years, a.) What percent will disappear in 100…

A: We have to find the half life of the radium

Q: Find the half-life of a radioactive substance if 250 grams of the substance decays to 190 grams in 7…

A: Consider N0 be the initial amount of substance

Q: 10) The half-life of silicon-32 is 710 years. If 40 grams is present now, how much will be present…

A:

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

A:

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

A:

Q: 2 yeas ago there was 9 grams of radioactive substance. Currently, there are only 4 grams.  1) How…

A: Given problem is : 2 yeas ago there was 9 grams of radioactive substance. Currently, there are only…

Q: If 16% of a radioactive substance decays in 14 hours, what is the half-life of the substance? Round…

A: Consider the formula for the decay of the radioactive substance. Find the value for A(t) at t = 14…

Q: 1. Strontium-90, 90Sr, has a half-life of 29 years. a) If 42.5 grams remain after 50 years, what is…

A: The formula for the quantity remaining of a substance after t years is: Nt=N012tt12 Here, t12=…

Q: Radium decomposes at the rate proportional to the present amount. If the half- life is 1600 years,…

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Q: A sample of radium has a weight of 1.5 mg and a half-life of approximately 6 years. How much of the…

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Q: Complete the table shown to the right for the half-Kife of a certain radioactive substance.…

A: Consider the radioactive decay function, At=A0e-kt Where, At represents the amount of substance left…

Q: If 16% of a radioactive substance decays in 13 hours, what is the half-life of the substance? Round…

A: In case of a radioactive decay,  the amount x after time t is given by x(t)=x(0)e−kt where x(0) is…

Q: If the half-life of a radioactive substance is 6,700 years, then at what rate is it decaying? 1…

A: The decay law is given by, A(t)=A0e-kt Where, A0 is the amount at t=0. And, t1/2=ln2k

Q: Nuclear engineering If radium has a half-life of 1600 years, how much of 100 mg will re- main after…

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Q: Radium has a weight of 1.5 and a half life of 6 years. What is its weight after 3 years?

A:

Q: An article on the "Iceman" stated that the frozen corpse was 5,000 to 5,500 years old. Assuming the…

A: Given data: The given time is t=5,200 years. The given half lifetime is t1/2=5,730. The expression…

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: The radioactive isotope of potassium **K which is used in the diagnosis of brain tumors, has a…

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Q: A substance decays according to the formula Q = 72(0.5)*, where t is in hours. (a) What is its…

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Q: Assume a quantity decreases by 7.5% in 5.3 hours. What is the half-life of the substance? hours

A: Calculating the half life of the substance using the given conditions

Q: Suppose a sample of a certain substance decayed to 67.6% of its original amount after 300 days.…

A:

Q: 22. The half-life of radium-226 is 1620 years. a) If the current mass of a sample is 100 grams, what…

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Q: Suppose a sample of a radioactive substance weighs 30 mg. One year later, the sample weighs 29.5 mg.…

A:

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

A:

Q: Suppose a sample of a certain substance decayed to 65.2% of its original amount after 300 days.…

A: Given: Substance decayed to 65.2% of its original amount after 300 days

Q: The half-life of Carbon-14 is 11 years. How much of an initial 115 g sample will remain after 42…

A:

Q: The half-life of silver-105 is approximately 41.3 days. Step 3 of 3: How much of a 2 gram sample of…

A: In this question we have to find amount remains After 6 days.

Q: a) If an investment grows in value at 2.4% per year, how long will it take for its value to double?…

A:

Q: suppose a sample of radioactive substance weighs 40mg. one year later, the sample weighs 25.5mg.…

A: We have to find  the half-life of given substance.

Q: Element X decays radioactively with a half life of 12 minutes. If there are 690 grams of Element X,…

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Q: The half-life of Plutonium-241 is 9 years. How much of an initial 159 g sample will remain after 38…

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Q: Assume a quantity decreases by 5.1% in 7.5 hours.What is the half-life of the substance?

A: Given:A quantity decreases by 5.1% in 7.5 hours.

Q: Suppose a sample of a certain substance decayed to 69.6% of its original amount after 300 days.…

A: We will use the formula to solve the problem.

Contingency Table

A contingency table can be defined as the visual representation of the relationship between two or more categorical variables that can be evaluated and registered. It is a categorical version of the scatterplot, which is used to investigate the linear relationship between two variables. A contingency table is indeed a type of frequency distribution table that displays two variables at the same time.

Binomial Distribution

Binomial is an algebraic expression of the sum or the difference of two terms. Before knowing about binomial distribution, we must know about the binomial theorem.