ayuda porfa :;( es para hoy :,vvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvv

Respuesta:
E= [tex]\frac{43}{128}[/tex]
Explicación paso a paso:
Espero te sirva