Understanding Finite Geometric Series
Interactive Video
•
Ethan Morris
•
Mathematics
•
8th - 12th Grade
•
Hard
02:47
10 questions
Show answers
1.
Multiple Choice
What is the formula for the sum of the first n terms of a finite geometric series?
First term times 1 minus the common ratio to the nth power, all over 1 minus the common ratio
First term plus the common ratio to the nth power
First term divided by the common ratio to the nth power
First term times the common ratio to the nth power
2.
Multiple Choice
In the given series, what is the first term?
2
99
3
1
3.
Multiple Choice
What is the common ratio in the series discussed?
0
3
2
99
4.
Multiple Choice
How many terms are there in the series if it starts at k=0 and ends at k=99?
101
100
99
98
5.
Multiple Choice
Why is the number of terms in the series 100 instead of 99?
Because the series skips some terms
Because the series ends at k=100
Because the series starts at k=1
Because the series starts at k=0
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