Wen takes a job with a starting salary of $100,000 for the first year. She earns a 3% increase each year. What does S5 represent?

Wen’s salary each year forms a geometric sequence: the first year’s salary is $100,000, and each year’s salary is 1.03 times the previous year’s. In sequence notation, S5 represents the sum of the first five terms, so it is the total Wen earns over the first five years—not just her fifth-year salary.

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