Mathematics, 25.12.2019 04:31 mcouil9369
Radium-226 is a radioactive substance with an annual decay rate of 0.04 % . a series of coal mines in poland contain an abundance of the aforementioned isotope of radium. if these coal mines contained 400 thousand kilograms of radium-226 in 1937, then how much radium-226 would be left in those coal mines in 2017? round your answer to the nearest kilogram.
Answers: 2
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To which set of numbers does the number –5 belong? select all that apply. integers natural numbers rational numbers real numbers whole numbers
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On saturday a souvenir shop had 125 customers.sixty four percent of the costumers paid with a credit card. how many costumers paid with cash?
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Mathematics, 21.06.2019 19:20
Part a: sam rented a boat at $225 for 2 days. if he rents the same boat for 5 days, he has to pay a total rent of $480. write an equation in the standard form to represent the total rent (y) that sam has to pay for renting the boat for x days. (4 points)
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Radium-226 is a radioactive substance with an annual decay rate of 0.04 % . a series of coal mines i...
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