Use the formula for the sum of the first n integers and/or the formula for the sum of a
Chapter 5, Problem 27(choose chapter or problem)
Use the formula for the sum of the first n integers and/or the formula for the sum of a geometric sequence to evaluate the sums in 20–29 or to write them in closed form.
\(5^{3} + 5^{4} + 5^{5} +· · ·+5^{k}\), where k is any integer with k ≥ 3.
Text Transcription:
5^3 + 5^4 + 5^5 +· · ·+5^k
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