Mathematics, 31.12.2020 02:10 val6298
Element x is a radioactive isotope such that every 26 years , its mass decreases by half. Given that the initial mass of a sample of element X is 680 grams, how much of the element would remain after 19 years, to the nearest whole number?
Answers: 1
Mathematics, 21.06.2019 13:50
Examine the following sets of events. set a: {1, 5, 7, 9, 14} set b: {2, 5, 6, 8, 14, 17} which of the following represents the intersection of set a and set b ? {∅} {5, 14} {1, 2, 5, 6, 7, 8, 9, 14, 17} {1, 2, 6, 7, 8, 9, 17}
Answers: 2
Mathematics, 21.06.2019 18:00
Ijust need to see how to do this. so you don’t have to answer all of them just a step by step explanation of one.
Answers: 3
Mathematics, 21.06.2019 19:30
Is the power produced directly proportional to the wind speed, give reasons for your answer?
Answers: 1
Element x is a radioactive isotope such that every 26 years , its mass decreases by half. Given that...
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