Mathematics, 19.11.2019 03:31 Isaiahtate053
Suppose a laboratory has a 30 g sample of polonium-210. the half-life of polonium-210 is about 138 days how many half-lives of polonium-210 occur in 1104 days? how much polonium is in the sample 1104 days later?
Answers: 3
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Julia bought 7 hats a week later half of all her hats were destroyed in a fire. there are now only 12 hats left with how many did she start
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Abag contains pieces of paper numbered from 5 to 9. a piece of paper is drawn at random. what is the theoretical probability of drawing a number less than 8?
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Suppose a laboratory has a 30 g sample of polonium-210. the half-life of polonium-210 is about 138 d...
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