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Tanya [424]
2 years ago
8

You have 40 grams of a radioactive kind of tellurium. If it's half life is 9 hours, how much will be left after 18 hours

Mathematics
1 answer:
AlexFokin [52]2 years ago
7 0

Answer:

10 grams

Step-by-step explanation:

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60-60x=39 \ \ \ |-60 \\
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