Question

10 + 2 ($\frac{4}{5}$) (10) + 2 ($[tex]\frac{4}{5}$)^{2}[/tex] (10) + 2 ($[tex]\frac{4}{5}$)^{3}[/tex] (10)

Answer 1

Respuesta:

49.04

 

Explicación paso a paso:

$10 + 2 (\frac{4}{5}) (10) + 2 (\frac{4}{5})^{2} (10) + 2 (\frac{4}{5})^{3} (10)\\\\10 + (\frac{2*4}{5}) (10) + 2 (\frac{4*4}{5*5})(10) + 2 (\frac{4*4*4}{5*5*5})^{3} (10)\\\\10 +(\frac{8}{5}) (10) + 2 (\frac{16}{25})(10) + 2 (\frac{64}{125})(10)\\\\10 +(\frac{8*10}{5})+ (\frac{2*16*10}{25}) + (\frac{2*64*10}{125})\\\\10 +(\frac{80}{5})+ (\frac{320}{25}) + (\frac{1280}{125})\\\\10 +16+ (\frac{64}{5}) + (\frac{256}{25})\\\\10+16+12.8+10.24\\\\49.04$