Algebra 1 Quiz
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EQUIVALENT EXPRESSIONS
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Use the geometric series formula Sn=a(1−rn)1−rS_n=\dfrac{a(1-r^n)}{1-r} to calculate the sum 3+3(1.1)+3(1.1)2+⋯+3(1.1)9.3+3(1.1)+3(1.1)^2+\cdots+3(1.1)^9. (So a=3a=3, r=1.1r=1.1, n=10n=10.)
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