6.9 Exponential Word Problem

A group consisting of 28 aggressive zombies triples in size every hour. Which equation matches the number of zombies after 7 hours?

There are 30 bugs. The number of bugs triple every week.

Which equation helps you find how many bugs there are after 4 weeks?

In a lab experiment, a population of 200 bacteria is able to quadruple every hour. Which equation matches the number of bacteria in the population after 2 hours?

A group consisting of 21 aggressive zombies quadruples in size every hour. Which equation matches the number of zombies after 7 hours?

A group consisting of 35 aggressive zombies triples in size every hour. Which equation matches the number of zombies after 5 hours?

In a lab experiment, a population of 100 bacteria is able to double every hour. Which equation matches the number of bacteria in the population after 3 hours?

A town has a population of 53,800 and shrinks at a rate of 2.5% every year. Which equation represents the town’s population after 3 years?

A new car is purchased for 27,500 dollars. The value of the car depreciates at a rate of 9% per year. Which equation represents the value of the car after 2 years?

A new car is purchased for 27,500 dollars. The value of the car depreciates at a rate of 9% per year. Which equation represents the value of the car after 2 years?