Exponential Word Problem

The population of Bloom Falls, Mass. (population 937) is slowly moving to a bigger city.
Every year the population drops by 4.5%.
What is the multiplier for this problem?

You buy a new computer for $2100. The computer decreases by 50% annually. How much is it worth after 2 years.

Which of the following functions shows an initial amount of $15 and an increase of 35% each year?

The value of a car is $15,000 and depreciates at a rate of 8% per year. What is the exponential equation?

Suppose a culture of bacteria begins with 5000 cells and dies by 30% each year. Write an equation that represents this situation.

James' 70 in. giant peach doubles in size every week. Write an expression that would represent how big the peach is after 5 weeks.

The number of mosquitoes at the beginning of the summer was 4,000. The population of mosquitoes is expected to grow at a rate of 25% a month. How many mosquitoes will there be after 4 months?

Write an equation that models the following situation:

Samantha's hair was known to grow very rapidly. It began at a length of 6 in and grew at a rate of 14% a week.

You have inherited land that was purchased for $25,000 in 1970. The value of the land has appreciated by approximately 4% per year. What was the value of the land in the year 2000? Round to the nearest whole dollar.

You deposit $500 into an account. If the account pays 6% and compounds, how much will the account be worth after 10 years? Round to the nearest whole dollar.