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The half-life of a cobat-60 is 5.3 years. If an old sample of 10 grams has now decayed to 1 gram, how much time has passed? 16 years 17 years 18 years

User LJ Replica
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Answer:

t= 17.6 years or about 18

Step-by-step explanation:

The half-life of a cobat-60 is 5.3 years. If an old sample of 10 grams has now decayed-example-1
The half-life of a cobat-60 is 5.3 years. If an old sample of 10 grams has now decayed-example-2
User Srodriguex
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