Ebola bacteria double in population every thirty minutes. If the initial population is 85, what is the population of bacteria after three hours? After one day?
5440 bacteria after 5440 in 3 hours
23,925,373,020,000,000 bacteria after one day
100
The population of Niagara Falls, Canada( population 937) is slowly moving to a bigger city. Every year the population drops by 4.5%. What is the population after 3 years?
816 people
100
If you invest $825 at 4% interest rate for 10 years and is compounded annually, how much money will you have?
$3588.26
100
How many ridges on a quarter
119
100
What is the exponential growth formula?
A(t)= Ao(1+r)^t
200
The oringial value of a painting is $1,400, and the value increases by 9% each year. find the value of the painting in 25 years.
$12,072.31 in 25 years
200
You bought a Charlotte Dolphiner in 2004 for $12,500. The boat's value depreciates by 7% a year. How much is the boat worth in 2012? what will it be worth in 2020?
$ 6994.77 in 2012
$ 3914.15 in 2020
200
If you invest $625 at 8% interest rate for 12 years and is compounded quarterly how much money will you have?
$1616.92
200
What is the circumference of the earth?
24,901 miles
200
What is exponential decay formula
A(t)= Ao(1-r)^t
300
John's parents invested $14,000 at 6% per year compounded monthly. How much money will there be in the account after 10 years?
$ 25,471.55 in 10 years
300
The population of hollandville is decreasing at a rate 1% per year. In 2000 there were 1300 people. Find the population for how many people in 2008
1200 people in 2008
300
If you have invest $3,500 at 11% interest rate for 4 and a half years and it is compounded daily how much money will you have?