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What is the 8th geometric sequence where a2=20 r=5
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What is the 8th geometric sequence where a2=20 r=5

User Siddharth Lele
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Divide by 5 to find the first term a1=5. This will give you the function to find any term: y=5(4)^x - in order to find the 8th term you raise 4 to the 8th power and you will get a pretty big number....
User Sergey Kudryashov
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