Mathematics, 16.01.2020 17:31 sonyfan
"you are dating moon rocks based on their proportions of uranium-238 (half-life of about 4.5 billion years) and its ultimate decay product, lead. find the age for each of the following."a. a rock for which you determine that 59 % of the original uranium-238 remains, while the other 41 % has decayed into lead. b. a rock for which you determine that 65 % of the original uranium-238 remains, while the other 35 % has decayed into lead.
Answers: 1
Mathematics, 21.06.2019 17:00, MahiraBashir
Evaluate the expression for the given value of the variable 7a - 4a for a =8
Answers: 2
"you are dating moon rocks based on their proportions of uranium-238 (half-life of about 4.5 billion...
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