Mathematics, 19.05.2021 05:20 anonymous12443535
Element X is a radioactive isotope such that every 91 years, its mass decreases by half. Given that the initial mass of a sample of Element X is 80 grams, how long would it be until the mass of the sample reached 68 grams, to the nearest tenth of a year?
Answers: 3
Mathematics, 21.06.2019 16:00
Find the solution set of this inequality. select the correct graph. |8x+16|> 16
Answers: 1
Mathematics, 21.06.2019 21:50
Scores on a university exam are normally distributed with a mean of 78 and a standard deviation of 8. the professor teaching the class declares that a score of 70 or higher is required for a grade of at least “c.” using the 68-95-99.7 rule, what percentage of students failed to earn a grade of at least “c”?
Answers: 1
Element X is a radioactive isotope such that every 91 years, its mass decreases by half. Given that...
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