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1 vote
Which of the following sequences is an arithmetic sequence?

A. {1,4,16,48,…}
B. {−10,5,−2.5,1.25,…}
C. {100,20,4,0.8,…}
D. {−10,−3.5,3,9.5,…}

2 Answers

7 votes

Answer:

the third one C. {100,20,4,0.8,…} as it divides by 5

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User Cameron Downer
by
8.0k points
3 votes

C. since you are constantly dividing by 5

100 ÷ 5 = 20

20 ÷ 5 = 4

4 ÷ 5 = 0.8

And so on...

User Sami Birnbaum
by
8.6k points

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