. A 90 g sample of plutonium-238 has a half-life of 88 years. How long will it take for this sample to decay to 40 g?   pleses type the answer no in writing thank you.

Q: Suppose a sample of a certain substance decayed to 73.2% of its original amount after 300 days.…

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: This exercise uses the radioactive decay model. The half-life of strontium-90 is 28 years. How long…

A: For any radioactive substance having a half-life of t1/2, its remaining quantity after t years from…

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

A: The amount of radioactive element at time t is given by                   Nt=Noe-λt      where λ is…

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

A:

Q: An unknown sample contains radioactive element U-235. If the original amount present is 3500 atoms,…

A:

Q: The half-life of Radium-226 is 5 years. How much of an initial 170 g sample will remain after 22…

A:

Q: The half-life of strontium-90 is 28 years. How long will it take a 40 mg sample to decay to a mass…

A:

Q: The half-life of Radium-226 is 6 years. How much of an initial 178 g sample will remain after 23…

A: Initial amount of Radium-226 is A0 = 178 g The half life of Radium-226 is t12 = 6 years Total Time,…

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

A:

Q: This exercise uses the radioactive decay model. The half-life of strontium-90 is 28 years. How long…

A:

Q: The half-life of Carbon-14 is 11 years. How much of an initial 119 g sample will remain after 44…

A:

Q: A sample of bacteria is decaying according to a half-life model. If the sample begins with 800…

A: Given: t=0  ,A0=800 t=14  ,A=160 t=?  ,A=40

Q: This exercise uses the radioactive decay model. The half-life of strontium-90 is 28 years. How long…

A:

Q: The half-life of Carbon-14 is 14 years. How much of an initial 143 g sample will remain after 43…

A: use t half formula

Q: The half-life of Strontium is 28 years. Suppose we have a 80 mg sample. How long will it take the…

A: Given: The half-life of Strontium is 28 years. We have to find the duration to take the sample to…

Q: Suppose that 10 grams of the 1 plutonium isotope Pu239 was released in the .Chernobyl nuclear…

A:

Q: The radioactive isotope Bismuth-210 has a half-life of 5 days. How many days does it take for 87.5%…

A:

Q: The half-life of Carbon-14 is 5 years. How much of an initial 154 g sample will remain after 26…

A: Given data- A = The amount present at time(t). h = The material's half life. A∘= The amount of…

Q: A sample of bacteria is decaying according to a half - life model . If the sample begins with 500…

A:

Q: Q1) A radioactive isotope has a half-life of 16 days. You wish to have 30 g at the end of 30 days.…

A: Using the radio-active decay formula, it can be written that Nt=N012tt12 , where , N0 is the initial…

Q: The half-life of Carbon-14 is 5 years. How much of an initial 132 g sample will remain after 46…

A:

Q: This exercise uses the radioactive decay model, The half-life of strontium-90 is 28 years. How long…

A: Use radioactive law

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: The half-life of radium-222 is approximately 38 seconds. Step 3 of 3: How much of a 4 gram sample of…

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: 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: The half-life of silver-105 is approximately 41 Step 2 of 3: How much of a 2 gram sample or

A:

Q: The half-life of plutonium-239 is 24,360 years. If 10 g of plutonium is released into the atmosphere…

A:

Q: The half-life of strontium-90 is 28 years. How long will it take a 44 mg sample to decay to a mass…

A: We can solve this as follows:

Q: The half-life of Cobalt-60 is 6 years. How much of an initial 121 g sample will remain after 34…

A: The half-life of Cobalt-60 is 6 years, initial amount 121 g sample How much Cobalt-60 remain after…

Q: The half-life of Cobalt-60 is 8 years. How much of an initial 180 g sample will remain after 23…

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: A scientist investigating a new type of bacteria has created the following model for the population…

A:

Q: Californium-253, a radioactive isotope with applications in nuclear energy and medicine, has a…

A: Given Initial weight of californium-253 S0=50 gram Half life time λ = 18 days

Q: The half-life of Radon-222 is 3.8 days. A 34-gram sample of Radon-222 is monitored for one day. How…

A: Please see the below picture for detailed solution.

Q: Element X decays radioactively with a half life of 8 minutes. If there are 460 grams of Element X,…

A:

Q: This exercise uses the radioactive decay model. The half-life of strontium-90 is 28 years. How long…

A:

Q: 1. Fermium-253 has a half life of 3 days. If we start with 1000 mg, how much will be left after 20…

A:

Q: The half-life of strontium-90 is 28 years. How long will it take a 60 mg sample to decay to a mass…

A: This can be solved using the following way....

Q: This exercise uses the radioactive decay model. The half-life of strontium-90 is 28 years. How long…

A: It is given that half life of stronium-90 = t12=28 years, the final and initial  amount are 20 mg…

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: A sample of bacteria is decaying according to a half-life model. If the sample begins with 500…

A: The decay function is: P(t)=P0ekt Given P0=500. So, P(t)=500ekt Now given that P(14)=100. So, the…

Q: 34)The amount A of radium in milligrams remaining in a sample after t years is given by 4)0.2160 How…

A: Here, we substitute the value of A(t)=0.004  and solve the equation to get hte required value of t…

Q: The half-life of strontium-90 is 28 years. How long will it take a 60-mg sample to decay to a mass…

A:

Q: The half-life of Cobalt-60 is 8 years. How much of an initial 180 g sample will remain after 23…

A:

Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.