Question

Sum of series help please:
How do you calculate the sum of:
.4+.6^2(.4)+.6^4(.4)+.6^6(.4)...

Answer 1

\(\large \begin{align} \color{black}{

\normalsize \text{ this is the series ?} \hspace{.33em}\\~\\
0.4+0.6^2(0.4)+0.6^4(0.4)+0.6^6(0.4)... \hspace{.33em}\\~\\

}\end{align}\)

Answer 2

HI!!

Answer 3

hint: \(6^2=.36\)

Answer 4

sum an normal
\[\sum ar^n=\frac{a}{1-r}\] with
\[a=.4,r=.36\]

Answer 5

Hi @mathmath333, yes, that is the series.

Answer 6

did u understand misty's solution