Interest Formula

If $1,000 is invested at 16% interest, compounded continuously, for five years, what is the ending balance?

• $1,225,54

• $2,225.54

• $22,255.40

• $225.54

You invest $1600 at an annual interest rate of 4.6% compounded continuously. How much will you have in the account after 4 years.

• $1,923.23

• $10,138.07

• $6,701.28

• $800.26

Travis earned $180.72 doing odd jobs last summer and put it in a saving account that earns 15% interest compounded continuously. If he doesn't touch his money for 8 years, how much will he have?

• $400

• $500

• $553

• $600

How much money do you need to invest at 2.8% compounded continuously in order to have $25,500 at the end of 8 years? Round your answer to the nearest dollar

• $20,383

• $2,715

• $27,147

• $2,038

P = 26,000 | Rate = 2.4% | 4 years | Compounded Continuously | Amount owed???

• $2,496

• $28,496

• $3,406,924

• $28,619.74

What is the formula for simple interest?

• P(1+r)^t

• Prt

• P(1+r)t

• Prt

The simple interest formula is I=Prt.  What does the t represent?

• Principle

• Interest

• Time, in hours

• Time, in years

What does the n stand for in this formula?

• Initial amount

• Final amount

• Rate

• Time

• The number of times compounded per year

Steve deposited $5,000 in a savings account that pays 4% interest compounded annually. Which equation could be used to find the value of the account after 3 years?

• A = 5,000(1 + 4)³

• A = 5,000(1 + 0.04)³

• A = 5,000(1 + 0.4) x 3

• A = 5,000(0.04)³

The Arnold's took out a loan for a home. The amount was $195,000 at a 4% interest rate compounded annually, how much will they have paid after 30 years?

• $412,489.75

• $529,586.31

• $632,462.51

• $640,891.12