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5 votes
Find the first 4 terms of the geometric sequence a1=40 and r=0.5

User Wwww
by
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2 Answers

5 votes

Answer:

So the answer to your question is 2.5. Thanks to MissPhiladelphia for her answer.

Explanation:

For the answer to the question above,

a1 = 40

a2 = 20

a3 = 10

..

aN = (1/2^N-1) a1 { in general aN= (r^N-1) A1

a5 = (1/2^4) 40 = 40/16 = 2.5

User Latik
by
8.6k points
1 vote
For the answer to the question above,
a1 = 40
a2 = 20
a3 = 10
..
aN = (1/2^N-1) a1 { in general aN= (r^N-1) A1

a5 = (1/2^4) 40 = 40/16 = 2.5

So the answer to your question is 2.5
I hope my answer helped you. Feel free to ask more questions. Have a nice day!
User Ahmed Okour
by
8.9k points

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