4/24 FInding the Sum of a Geometric Sequence/ Series Assignment:
Part 1:
Hello, all! Your 1st task today is to watch this short video on Finding the Sum of a Finite
Geometric Sequence
Answer these questions:
1. In the given formula, what are the 3 things you need in order to use the formula? The number
of terms,the first term, and common ratio
2. What was the "r" in 3 +6 + 12 +24? -2
3. What term number are we trying to find?
N = ? -15
4. What is the value of
simplified?98,301
5. You try now:
What is the sum of the first 10 terms of this geometric series : 4 + 12 + 36 +108,
.....
a) What is a? 4
b) What is n? 10
c) What is r? 3
d) What is the sum? 118,096
Part 2:
Next, please watch this short video on Finding the Sum of a Geometric Series written in Sigma
Notation
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