\"\"

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The geometric sequence is \"\".

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The first term of the sequence is \"\".

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So, \"\".

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Find the common ratio.

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\"\"

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\"\"

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The common ratio is \"\".

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\"\"

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Find \"\" term of the sequence.

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\"\" term of the geometric sequence: \"\".

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\"\"           (Substitute \"\" and \"\")

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\"\" term of the sequence is \"\".

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\"\"

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Find the seventh term of the sequence:

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\"\"            (\"\" term of the sequence)

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\"\"            (Substitute \"\")

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\"\"                (Subtract: \"\")

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\"\"                (Evaluate powers: \"\")

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\"\"                     (Multiply: \"\")

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\"\"

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\"\" term of the sequence is \"\".

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The seventh term of the sequence is  \"\".