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The nth term of the sequence is 3n-8 and so the 30th term is 3*30 -8 = 82
3 Each term is divided by 3 to produce the following term.
If the Fibonacci sequence is denoted by F(n), where n is the first term in the sequence then the following equation obtains for n = 0.
1 - 2 - 4 - 8 - 16 - 32 - 64 the sequence doubles
You mean what IS a geometric sequence? It's when the ratio of the terms is constant, meaning: 1, 2, 4, 8, 16... The ratio of one term to the term directly following it is always 1:2, or .5. So like, instead of an arithmetic sequence, where you're adding a specific amount each time, in a geometric sequence, you're multiplying by that term.