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Home Q & A Board Science-Related Homework Help Mathematics Calculus
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vet10537 vet10537
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2 years ago
A certain radioactive isotope decays at a rate of 2% per 100 years.  If t represents time in years and y represents the amount of the isotope left then the equation for the situation is  In how many years will there be 90% of the isotope left?

▸ 527 years

▸ 246 years

▸ 500 years

▸ 1000 years
Textbook 
Calculus: Early Transcendentals

Calculus: Early Transcendentals


Edition: 3rd
Authors:
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djeghridjeghri
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2 years ago
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vet10537 Author
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2 years ago
I appreciate what you did here, answered it right Smiling Face with Open Mouth
nsak
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Yesterday
this is exactly what I needed
terriroberts96
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2 hours ago
You make an excellent tutor!
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