Loading [MathJax]/jax/output/HTML-CSS/jax.js

How to Solve Finite Geometric Series? (+FREE Worksheet!)

Want to learn more about Finite Geometric Series? Take a look at the following step-by-step guide to solve Finite Geometric Series problems.

How to Solve Finite Geometric Series? (+FREE Worksheet!)

Related Topics

Step by step guide to solve Finite Geometric Series

  • The sum of a geometric series is finite when the absolute value of the ratio is less than 1.
  • Finite Geometric Series formula: Sn=ni=1ari1=a1(1rn1r)

Finite Geometric Series – Example 1:

Evaluate the geometric series described. Sn=5n=13n1

Solution:

Use this formula: Sn=ni=1ari1=a1(1rn1r)Sn=5n=13n1=(1)(13513)(1)(13513)=121

The Absolute Best Books to Ace Pre-Algebra to Algebra II

Original price was: $89.99.Current price is: $49.99.

Finite Geometric Series – Example 2:

Evaluate the geometric series described. Sn=3n=14n1

Solution:

Use this formula: Sn=ni=1ari1=a1(1rn1r)Sn=3n=14n1=(1)(14314)(1)(14514)=21

Finite Geometric Series – Example 3:

Evaluate the geometric series described. Sn=7n=12n1

Solution:

Use this formula: Sn=ni=1ari1=a1(1rn1r)Sn=7n=12n1=1(12712)(112812)=(1271)=127

The Best Book to Help You Ace Pre-Algebra

Original price was: $24.99.Current price is: $14.99.
Satisfied 92 Students

Finite Geometric Series – Example 4:

Evaluate the geometric series described. Sn=4n=15n1

Solution:

Use this formula: Sn=ni=1ari1=a1(1rn1r)Sn=4n=15n1=(1)(15415)=(1)(162515)=(1)(6244)=(1)(6244)=156

Exercises for Solving Finite Geometric Series

Evaluate each geometric series described.

  • 15+25125,n=7
  • 361224,n=9
  • 8n=12,(2)n1 
  • 9n=14,3n1 
  • 10n=14,(3)n1 
  • 9m=12m1 
  • 13021
  • 1533
  • 170
  • 39364
  • 59048
  • 511

The Greatest Books for Students to Ace the Algebra

Original price was: $29.99.Current price is: $19.99.
Original price was: $29.99.Current price is: $19.99.
Original price was: $29.99.Current price is: $19.99.
Original price was: $29.99.Current price is: $19.99.

Related to This Article

What people say about "How to Solve Finite Geometric Series? (+FREE Worksheet!) - Effortless Math: We Help Students Learn to LOVE Mathematics"?

No one replied yet.

Leave a Reply

X
45% OFF

Limited time only!

Save Over 45%

Take It Now!

SAVE $40

It was $89.99 now it is $49.99

The Ultimate Algebra Bundle: From Pre-Algebra to Algebra II