# 8th Grade Math Exponents Word Problems

This page is for eighth grade math students who need help, and for teachers and tutors who are looking for word problems on exponents.

# Exponents Word Problems

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# Eighth Grade: Exponents Word Problems

Use an exponent to write an expression
Use an exponent to write an expression with 5 3s that have a value of zero.
The 2000 population of Jacksonville, Florida
The 2000 population of Jacksonville, Florida was 736,000 and was increasing at the rate of 1.49% each year. At that ...
You deposit \$1500 in an account
You deposit \$1500 in an account that pays 5% interest ...
If there are 45 rats in a New York
If there are 45 rats in a New York deli and the number of rats doubles every 7 days how long will it take for the deli to have 100...
Suppose the Population of D.C.
Suppose the Population of D.C. in January of 2006 was 580,000 and 2 percent of them moved every 6 ...
If you put 25 cents in a bank
If you put 25 cents in a bank and your money doubles each ...
A biologist is researching a newly-discovered species
A biologist is researching a newly-discovered species of bacteria. At time t = 0 hours, he puts one hundred bacteria into what he has determined to be a favorable growth medium. Six hours later, he measures 450 bacteria. Assuming exponential growth, what is the growth constant "k" for the bacteria? (Round k to two decimal places.)
A town population is 1000
A town population is 1000 on January 1, 2001. It grows at a constant rate of 2% per ...
An advertising company designs a campaign
An advertising company designs a campaign to introduce a new product to a metropolitan
area of population M = 3 millions. Let P = P(t) denote the number of people who become aware of
the product by time t. Suppose that P increases at a rate proportional to the number of
people still unaware of the product. The company determines that no one is aware of the
product at the beginning of the campaign and that 40% of the people were
aware of the product after 10 days of ...
The rat population in a major metropolitan city
The rat population in a major metropolitan city is given by the formula n(t)= 73 e0.015 t where t is measured in years since 1990 and n(t) is measured in millions.

What was the rat population in 1990 ...
How does one simplify the following
How does one simplify the following into the base (A) raised to an exponent?
(AB)(AC)
The world population in 1950 was estimated
The world population in 1950 was estimated to be 2.5 bilion. The population has grown exponentially so that in 2008 there were an estimated 6.8 ...
Country A has a growth rate of 4.7% per year
Country A has a growth rate of 4.7% per year. The population is currently 5,681,000 and the land area of country A is 33,000,000,000 square yards. Assuming this growth rate continues and is ...
One computer industry expert reported
One computer industry expert reported that there were about 600 million computers in use worldwide in 2001 and that the number was increasing at an annual rate of about 10%
The half-life of plutonium-234 is 9 hours
The half-life of plutonium-234 is 9 hours. If 60 milligrams is present ...

So what if the exponent was zero? Does that make the whole answer 1?
February 18, 2009, 9:45 pm