Question

S_(25)=5((1-0.2^(25)))/((1-0.2)) Write in sigma notation

Answer 1

[AI-generated answer — Bot GPT 3.5]

S_(25) = 5 * ((1-0.2^25)/(1-0.2))

In sigma notation, this would be:

S_(25) = Σ 5 * (1 - 0.2^n), where n ranges from 0 to 24.