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Mathematics, 21.06.2019 14:30
Bismuth-210 is an isotope that radioactively decays by about 13% each day, meaning 13% of the remaining bismuth-210 transforms into another atom (polonium-210 in this case) each day. if you begin with 233 mg of bismuth-210, how much remains after 8 days?
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Mathematics, 21.06.2019 18:00
Jack has a piece of red ribbon that is two times as long as his piece of blue ribbon. he says that he can use two different equation to find out how long his piece of red ribbon is compared to his piece of blue ribbon is. is he correct? explain his reasoning
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Mathematics, 21.06.2019 19:30
James was playing a game with his friends. he won 35 points. then he lost 15, lost 40 and won 55. how did he come out
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What is a + b whole square formula...
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