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Mathematics, 04.03.2022 05:50, brillamontijo
Element X decays radioactively with a half life of 15 minutes. If there are 400 grams of Element X, how long, to the nearest tenth of a minute, would it take the element to decay to 87 grams?
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Mathematics, 21.06.2019 13:20, animegirl02
What is the equation and solution for the sentence? the sum of a number and thirty-one is one hundred thirteen. write the equation as n-31=113 and subtract 31 from both sides. the answer is 82. write the equation as n+31=113 and subtract 31 from both sides. the answer is 82. write the equation as n+31=113 and add 31 to both sides. the answer is 144. write the equation as n-31=113 and add 31 to both sides. the answer is 144.
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Mathematics, 21.06.2019 19:30, ramose7021
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Element X decays radioactively with a half life of 15 minutes. If there are 400 grams of Element X,...
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