Mathematics, 05.02.2022 21:30, AyeSmoky
Element X is a radioactive isotope such that every 14 years, its mass decreases by half. Given that the initial mass of a sample of Element X is 360 grams, how long would it be until the mass of the sample reached 100 grams, to the nearest tenth of a year?
Answers: 2
Mathematics, 21.06.2019 14:10, madlenserlipepu1o
What is the factored form of x2 β 4x β 5? (x + 5)(x β 1) (x + 5)(x + 1) (x β 5)(x β 1) (x β 5)(x + 1)
Answers: 2
Mathematics, 21.06.2019 21:00, Anybody6153
Ariana starts with 100 milligrams of a radioactive substance. the amount of the substance decreases by 20% each week for a number of weeks, w. the expression 100(1β0.2)w finds the amount of radioactive substance remaining after w weeks. which statement about this expression is true? a) it is the difference between the initial amount and the percent decrease. b) it is the difference between the initial amount and the decay factor after w weeks. c) it is the initial amount raised to the decay factor after w weeks. d) it is the product of the initial amount and the decay factor after w weeks.
Answers: 1
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