Calcule o 47° termo da P.A. (700,680,660,...).... Pergunta de ideia deAnizinha4880

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October 2020 1 181 Report

Calcule o 47° termo da P.A. (700,680,660,...)

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$a_{47}=a_1+46.r\\
\\
a_{47}=700+46.(-20)\\
\\
a_{47}=700-920\\
\\
\boxed{a_{47}=-220}$

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