Question

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10. A certain culture of bacteria grows from 500 to 400 bacteria every 15
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ACTIVITY 2
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Tell whether the following statements describes an exponential growth or decay.
1. The population of Kuhala Island doubles every 3 decades.
2. The amount of radioactive isotope of carbon has a half-life of 5500
years.
3. A colony of bacteria grows by 20% every half hour.
4. An amount deposited by Jessie in a bank earns a compound interest of
6% yearly
5. The value of a car depreciates 10% of its amount every year.
6. A person deciding to go on a diet for 3 months loses ! kg of his weight
every month.
7. A chain letter where each persons sends 3 letters to 3 persons.
8. A radioactive substance decays after a certain timet
9. The value of a jewelry appreciates 8% every 5 years.
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C.
hours.​

Answer 1

Answer:

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