|BSM

Questions

1 / 10

Time

Score

Exponential Growth And Decay: Word Problems

The number of cars in a parking lot increases by 8% per month. If there are initially 50 cars, how many will there be after 6 months?

$94.77$

$94.78$

$94.79$

The height of a tree increases by 2% each month. If the tree is initially 5 meters tall, how tall will it be after 2 years?

$5.940$

$5.491$

$5.492$

A population of rabbits grows by 5% per week. If there are initially 100 rabbits, how many will there be after 3 weeks?

$121.55$

$121.54$

$121.53$

. A radioactive substance decays to 25% of its original amount every 30 minutes. If the initial amount is 200 grams, how much will remain after 2 hours?

$0.78$

$0.77$

$0.76$

The value of an investment decreases by 10% each year. If the initial investment is $5000, what will be its value after 5 years?

$\$3077.10$

$\$3077.12$

$\$3077.13$

An investment loses 15% of its value each quarter. If the initial investment is $10,000, what will it be worth after 1 year?

$\$4522.44$

$\$4522.45$

$\$4522.46$

The population of a city grows by 3% annually. If the current population is 50,000, what will it be after 10 years?

$0.77$

$0.76$

$67,195.52$

The population of fish is decreasing by 6% per month. If there are initially 500 fish, how many will be left after 8 months?

$265.32$

$265.33$

$265.34$

The value of a car depreciates by 12% per year. If the car is initially worth $20,000, what will its value be after 4 years?

$\$12,320.52$

$\$12,320.51$

$\$12,320.50$

A sample of a radioactive material loses 30% of its activity every 15 minutes. If the initial activity is 500 counts per minute, how many counts will remain after 45 minutes?

$46.88$

$46.89$

$46.90$

Questions

Time

Score

Exponential Growth And Decay: Word Problems

The number of cars in a parking lot increases by 8% per month. If there are initially 50 cars, how many will there be after 6 months?

﻿94.7794.7794.77﻿

﻿94.7894.7894.78﻿

﻿94.7994.7994.79﻿

The height of a tree increases by 2% each month. If the tree is initially 5 meters tall, how tall will it be after 2 years?

﻿5.9405.9405.940﻿

﻿5.4915.4915.491﻿

﻿5.4925.4925.492﻿

A population of rabbits grows by 5% per week. If there are initially 100 rabbits, how many will there be after 3 weeks?

﻿121.55121.55121.55﻿

﻿121.54121.54121.54﻿

﻿121.53121.53121.53﻿

. A radioactive substance decays to 25% of its original amount every 30 minutes. If the initial amount is 200 grams, how much will remain after 2 hours?

﻿0.780.780.78﻿

﻿0.770.770.77﻿

﻿0.760.760.76﻿

The value of an investment decreases by 10% each year. If the initial investment is $5000, what will be its value after 5 years?

﻿$3077.10\$3077.10$3077.10﻿

﻿$3077.12\$3077.12$3077.12﻿

﻿$3077.13\$3077.13$3077.13﻿

An investment loses 15% of its value each quarter. If the initial investment is $10,000, what will it be worth after 1 year?

﻿$4522.44\$4522.44$4522.44﻿

﻿$4522.45\$4522.45$4522.45﻿

﻿$4522.46\$4522.46$4522.46﻿

The population of a city grows by 3% annually. If the current population is 50,000, what will it be after 10 years?

﻿0.770.770.77﻿

﻿0.760.760.76﻿

﻿67,195.5267,195.5267,195.52﻿

The population of fish is decreasing by 6% per month. If there are initially 500 fish, how many will be left after 8 months?

﻿265.32265.32265.32﻿

﻿265.33265.33265.33﻿

﻿265.34265.34265.34﻿

The value of a car depreciates by 12% per year. If the car is initially worth $20,000, what will its value be after 4 years?

﻿$12,320.52\$12,320.52$12,320.52﻿

﻿$12,320.51\$12,320.51$12,320.51﻿

﻿$12,320.50\$12,320.50$12,320.50﻿

A sample of a radioactive material loses 30% of its activity every 15 minutes. If the initial activity is 500 counts per minute, how many counts will remain after 45 minutes?

﻿46.8846.8846.88﻿

﻿46.8946.8946.89﻿

﻿46.9046.9046.90﻿

Incorrect

Great!

$94.77$

$94.78$

$94.79$

$5.940$

$5.491$

$5.492$

$121.55$

$121.54$

$121.53$

$0.78$

$0.77$

$0.76$

$\$3077.10$

$\$3077.12$

$\$3077.13$

$\$4522.44$

$\$4522.45$

$\$4522.46$

$0.77$

$0.76$

$67,195.52$

$265.32$

$265.33$

$265.34$

$\$12,320.52$

$\$12,320.51$

$\$12,320.50$

$46.88$

$46.89$

$46.90$