¿Todavía tienes preguntas de matemáticas?

Pregunte a nuestros tutores expertos
Algebra
Question

Find the sum of the first \(9\) terms of the following sequence. Round to the nearest hundredth if necessary.

 

\(27,-45,75, ...\)

 

Sum of a finite geometric series:

\(S_n=\frac{a_1-a_1r^n}{1-r}\)

Answer

\(1014.82\)

Solution
View full explanation on CameraMath App.