Relax

Respuesta :

Answer:

1050

Step-by-step explanation:

PEMDAS

(0.5n*5)*2(10n*7)*3

(0.5N*5)=2.5n

(2.5n)*2(10n*7)*3

10n*7=70n

(2.5n)*2(70n)3

5n*210n

1050