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What percent of a sample of As-81 remains un-decayed after 132 seconds?

What percent of a sample of As-81 remains un-decayed after 132 seconds?
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What percent of a sample of As-81 remains un-decayed after 132 seconds?

User ATP
by
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2 Answers

3 votes

Answer:

b

Explanation:

User Geoff Montee
by
8.4k points
1 vote

Answer:14%

Explanation:

User Asish AP
by
7.2k points
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