# Sums of Finite Geometric Series

## Series with defined ending value has sum: Sn = (a1(1-r^n))/(1-r)

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## Finding the Sum of a Finite Geometric Series

by Bill Worley //at grade
This lesson covers finding the sum of a geometric series using the formula and the calculator.
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## Finding the Sum of a Finite Geometric Series

This lesson covers finding the sum of a geometric series using the formula and the calculator.
MEMORY METER
This indicates how strong in your memory this concept is
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## Sums of Finite Geometric Series

by Kaitlyn Spong //at grade
Calculating the sums of finite geometric series
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