Mathematics, 21.07.2019 10:00 Jakeandjenn21
The half-life of a radioactive isotope is the time it takes for a quantity of the isotope to be reduced to half its initial mass. starting with 115 grams of a radioactive isotope, how much will be left after 3 half-lives? use the calculator provided and round your answer to the nearest gram.
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”?
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Written as a simplified polynomial in standard form, what is the result when (2x+8)^2(2x+8) 2 is subtracted from 8x^2-38x 2 −3?
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Quadrilateral abcd is a parallelogram with diagonals that intersect at point e. which of the following statements is true?
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The half-life of a radioactive isotope is the time it takes for a quantity of the isotope to be redu...
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