2 answers:
Hey!
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Answer:
r = 2
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Solution:
So we know that s2 = 8 and s4 = 32.
We need to find s1!
32 / 8 = 4
8 / 4 = 2 (ratio is 2)
8 / 2 = 4
32 / 2 = 16
s1 = 4
s3 = 16
Each number is multiplied by 2.
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Hope This Helped! Good Luck!
Answer:
The common ratio r = 2.
Step-by-step explanation:
Now s2 = a1r and s4 = a1r^3 where a1 = first term and r = common ratio so
s4 / s2 = a1r^3 / a1r = r^2 = 32/8
r^2 = 4
r = 2.
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