Math tutorial for how to find the 9th term of a geometric sequence

The video tutorial discusses how to determine the ninth term of a sequence, focusing on identifying whether the sequence is geometric by checking for a common ratio. The instructor explains both manual calculation and the use of an explicit formula to find the ninth term, emphasizing the importance of understanding the sequence type and applying the correct formula.

Why is it important to start with the correct power of the ratio when using the formula?

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What is the value of the ninth term calculated in the discussion?

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