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What is the r value of the following geometric sequence? 40, 20, 10, 5,…

What is the r value of the following geometric sequence? 40, 20, 10, 5,…
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5 votes
What is the r value of the following geometric sequence? 40, 20, 10, 5,…

User Josh Kovach
by
8.6k points

2 Answers

4 votes
It seems to be Half of the number]again and again. Half of 40 is 20 half of 20 is 10 half of 10 is 5 and half of that is 2.5 then 1.25 and so on
User Mmdel
by
7.3k points
4 votes
r=Asub2/Asub1
=20/40
=½
User Michoel
by
8.5k points
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