Geometric Series QUIZ

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What are the values of mc001-1.jpg and r of the geometric series? 1 + 3 + 9 + 27 + 81

C

A high-interest savings account pays 5.5% interest compounded annually. If $300 is deposited initially and again at the first of each year, which summation represents the money in the account 10 years after the initial deposit?

D

What is the sum of the infinite geometric series?

-288 A

What is the sum of the first six terms of the geometric series? 2 - 6 + 18 - 54 + ...

-364 B

What is the value of r of the geometric series?

0.8

What is the value of a1 of the geometric series?

12

Two students start a club the first week of school. Each member invites three new members the second week of school. Each of these new members then invites three additional members the following week. If the pattern of each new member inviting three new members each week continues, how many members will be in the club after five weeks?

242 students C

Which fraction represents the decimal 0.12

4/33 C

The formula for the sum of an infinite geometric series, mc014-1.jpg, may be used to convert mc014-2.jpg to a fraction. What are the values of mc014-3.jpg and r?

NOT A

A flyer is spread by people at a large conference. Within one hour, the first person gives a stack of flyers to six people. Within the next hour, those six people give a stack of flyers to six new people. If this pattern continues, which summation can be used to calculate the number of people who receive a stack of flyers, not including the initial person, in the first five hours?

NOT B


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