Finite Geometric Series Answers

Which of the following is a geometric series?

Which of the following is a geometric series?

What are the values of r and a1 for ?

What are the values of r and a1 for ?

Which of the following can be used to evaluate the series ?

What is the approximate value of ? Round your answer to the nearest hundredth.

What is the value of ?

Modern Appliances offers a one-year monthly installment plan for a refrigerator. The payment for the first month is $75, and then it increases by 6% each month for the rest of the year. Which expression can be used to find the total paid in the first 12 months?

Abi takes a job with a starting salary of $100,000 for the first year. She earns a 3% increase each year. To the nearest dollar, how much does Abi make over the first six years?

A worker has four different job offers, each with a contract for six years. Assuming the job descriptions are identical, which offer will allow the worker to earn the most over six years?