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After three half-lives, a sample contains 10 grams of parent isotopes. How many grams of the parent isotope were present to start? 320 160 80 40
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After three half-lives, a sample contains 10 grams of parent isotopes. How many grams of the parent isotope were present to start?

320
160
80
40

User Mahmoud Felfel
by
7.4k points

1 Answer

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Answer:

80 is the awnser

Step-by-step explanation:

User SPatil
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