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What is the first term of the geometric sequence below ? 1,5,25,125

What is the first term of the geometric sequence below ? 1,5,25,125
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What is the first term of the geometric sequence below ? 1,5,25,125

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User BFG
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7 votes
The first term? 1.
The fifth term would be 625.
1*5=5
5*5=25
25*5=125
125*5=625
The common ratio of the geometric sequence is 5.

Hope this helps!
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User Dianovich
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8.6k points
2 votes
1/5 becuase if you multiply by 5, it has to be 1, which means it has to be 1/5 
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User Ruta
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