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What is the first term of the geometric sequence below?

What is the first term of the geometric sequence below?-example-1
User Jvoll
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Geometric sequences use either division or multiplication as its common ratio. The pattern here is multipication by 5. Therefore, we would need that first term to be 1/5 because 1/5 * 5 = 1, the next term in the sequence. 1*5 = 5, 5*5 = 25, etc.
User Guigui
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