# Exponential function - math word problems

#### Number of problems found: 80

• Demographics The population grew in the city in 10 years from 30000 to 34000. What is the average annual percentage increase of population?
• If you 3 If you deposit \$4500 at 5% annual interest compound quarterly, how much money will be in the account after 10 years?
• Decibel By what percentage does the sound intensity increase if the sound intensity level increases by 1 dB?
• Investment 1000\$ is invested at 10% compound interest. What factor is the capital multiplied by each year? How much will be there after n=12 years?
• The city 3 The city has 22,000 residents. How long it is expected to have 25,000 residents if the average annual population growth is 1.4%?
• How much 2 How much money would you need to deposit today at 5% annual interest compounded monthly to have \$2000 in the account after 9 years?
• Deposit 3 After a year had Martin on bank account € 2028. What was the interest rate when the initial deposit was € 1879?
• Interest Calculate how much you earn for 10 years 43000 deposit if the interest rate is 1.3% and the interest period is a quarter.
• Deposit If you deposit 719 euros the beginning of each year, how much money we have at 1.3% (compound) interest after 9 years?
• Half life Determine the half life of bismuth, when bismuth weight from the original weight of 32 g was only 2 grams in 242 minutes.
• Population The town has 65,000 inhabitants. 40 years ago, there were 157,000. How many people will live in a city in 10 years if the population's average rate is as in previous years?
• Slow saving in banks How long will it take to save € 9,000 by depositing € 200 at the beginning of each year at 2% interest?
• If you 4 If you deposit \$2500 in an account paying 11% annual interest compounded quarterly, how long until there is the \$4500 in the account?
• If you 2 If you deposit \$4000 into an account paying 9% annual interest compounded monthly, how long until there is \$10000 in the account?
• Exponential warm Suppose that a body with temperature T1 is placed in surroundings with temperature T0 different from that of T1. The body will either cool or warm to temperature T(t) after time t, in minutes, where T(t)=T0 + (T1-T0)e^(-kt) . If jello salad with 30 degree
• Semiannually compound interest If you deposit \$5000 into an account paying 8.25% annual interest compounded semiannually, how long until there is \$9350 in the account?
• The city At the end of 2010 the city had 248000 residents. The population increased by 2.5% each year. What is the population at the end of 2013?
• Compound interest 4 3600 dollars is placed in an account with an annual interest rate of 9%. How much will be in the account after 25 years, to the nearest cent?
• Doubling The message is spreading that each day has doubled the number of people who know about it. All know message for 20 days. How long known it eighth people?
• Loan 4 Mr santos borrowed Php.18,000 at 1.5% interest for one year. What was the total amount he paid for the end of the 1-year term?

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