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What is the 5th term of this geometric sequence? 100, 20, 4, 0.8, … a. 124.8 b. 0.2 c. 0.16 d. 0.032
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What is the 5th term of this geometric sequence? 100, 20, 4, 0.8, …

a. 124.8
b. 0.2
c. 0.16
d. 0.032

User Mario A Guzman
by
8.2k points

2 Answers

5 votes

Answer:

The answer is C. 0.16

Explanation:

User Rlasch
by
7.7k points
4 votes
First we have to find out the common number of them.
For that purpose, the first number should be divided by next number.
100/20 = 5
20/4 = 5
4/0.8 = 5

we have found that 5 is the common number.
0.8/5 = 0.16

therefore the answer is c
User Trilok Singh
by
8.0k points
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User Orrd
asked Aug 21, 2018 104k views
What is the 5th term of this geometric sequence?100, 20, 4, 0.8, …a.124.8b.0.2c.0.16d.0.032?
Orrd asked Aug 21, 2018
by Orrd
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