Math Homework

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The half-life of Palladium-100 is 4 days. After 12 days a
The half-life of Palladium-100 is 4 days. After 12 days a sample of Palladium-100 has been reduced to a mass of 2 mg.Q1: What was the initial mass (in mg) of the sample? (Round your answer to nearest … read more
Ashok Kumar
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The half-life of Radium-226 is 1590 years. If a sample
The half-life of Radium-226 is 1590 years. If a sample contains 300 mg, how many mg will remain after 3000 years?(Round your answer to 2 decimal places as needed)… read more
Ashok Kumar
Electrical Engineer
Master's Degree
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The half-life of a radioactive substance is 13 days. After
The half-life of a radioactive substance is 13 days. After 12 days a sample of the substance has been reduced to a mass of 6 mgQ1: What was the initial mass (in mg) of the sample? (Round your answer t… read more
Ashok Kumar
Electrical Engineer
Master's Degree
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The half-life of a radioactive substance is 9 days. After 6
The half-life of a radioactive substance is 9 days. After 6 days a sample of the substance has been reduced to a mass of 2 mg.Q1: What was the initial mass (in mg) of the sample? (Round your answer to… read more
Ashok Kumar
Electrical Engineer
Master's Degree
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The half-life of a radioactive substance is 10 days. After 8
The half-life of a radioactive substance is 10 days. After 8 days a sample of the substance has been reduced to a mass of 2 mg.Q1: What was the initial mass (in mg) of the sample? (Round your answer t… read more
Ashok Kumar
Electrical Engineer
Master's Degree
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The half-life of a radioactive substance is 14 days. After
The half-life of a radioactive substance is 14 days. After 20 days a sample of the substance has been reduced to a mass of 5 mgQ1: What was the initial mass (in mg) of the sample? (Round your answer t… read more
Ashok Kumar
Electrical Engineer
Master's Degree
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Q1 has 2 parts: The half-life of a radioactive substance is
Q1 has 2 parts: The half-life of a radioactive substance is 9 days. After 12 days a sample of the substance has been reduced to a mass of 5 mg.What was the initial mass (in mg) of the sample? (Round y… read more
Ashok Kumar
Electrical Engineer
Master's Degree
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A bacteria culture initially contains 2000 bacteria and
A bacteria culture initially contains 2000 bacteria and doubles every half hour.Q1: Find the size of the bacterial population after 40 minutes. (Round your answer to the nearest whole bacteria.)Q2: Fi… read more
Ashok Kumar
Electrical Engineer
Master's Degree
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Q1 has 2 parts: The doubling time of a bacterial population
Q1 has 2 parts: The doubling time of a bacterial population is 10 minutes. After 110 minutes, the bacterial population was 50000.What was the initial population of bacteria? (Round your answer to the … read more
Ashok Kumar
Electrical Engineer
Master's Degree
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I need help with exponential and logarithmic models. Q1: The
Hello, I need help with exponential and logarithmic models.Q1: The half-life of a radioactive substance is 13 days. After 20 days a sample of the substance has been reduced to a mass of 1 mg.What was … read more
Jennifer
Tutor
Masters of Education
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Q1: Find how many years it would take for an investment of
Q1: Find how many years it would take for an investment of \$3500 to grow to \$8200 at an annual interest rate of 6.4% compounded daily. (Round your answer to 2 decimal places as needed.)Q2: Find how ma… read more
Jennifer
Tutor
Masters of Education
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Assume that for the average individual, a certain medication
Assume that for the average individual, a certain medication has a half life of 5 hours in the bloodstream. You take a 600 milligram dose of that medication and no further doses. How much of this medi… read more
Tom Piscaer
Master's Degree
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The half-life of Radium-226 is 1590 years. If a sample contains
The half-life of Radium-226 is 1590 years. If a sample contains 100 mg, how many mg will remain after 1000 years? Hint: Recall P=P0ekt where P0 is the initial amount of such a substance, P is the amou… read more
Sandhya_sharma
Master's Degree
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Q1) The population of the world in 1987 was 5 billion and the
Q1) The population of the world in 1987 was 5 billion and the relative growth rate was estimated at 2 percent per year. Assuming that the world population follows an exponential growth model, find the… read more
Osbert12
Master's Degree
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This is for huge bonus!!! please showing your all works step by step and getting a right answer for me!! thanks (ALso that is due this midnight!!) Q1: The population of the world in 1987 was 5 billion… read more
Osbert12
Master's Degree
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The radioactive isotope carbon-14 is present in small quantities
The radioactive isotope carbon-14 is present in small quantities in all life forms, and it is constantly replenished until the organism dies, after which it decays to stable carbon-12 at a rate propor… read more
Osbert12
Master's Degree
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i need it now please Q1 radioactive dencay: the half-life of radioactive cobalt is 5.27 years. if 100 grams of radioactive cobalt is present now, how much will be present in 20 years? in 40 years. Q2 … read more
Ben Brown
Bachelor's Degree
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The half life of radium is 1690 years. If 90 grams are present
The half life of radium is 1690 years. If 90 grams are present now, how much will be present in 990 years? round to the nearest thousandth .… read more
Sk1llz
Math student
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