Answer:
[tex]\large \boxed{\sf 784.8 \ N}[/tex]
Explanation:
[tex]\sf Weight \ (N) =mass \ (kg) \times acceleration \ of \ gravity \ (m/s^2)[/tex]
[tex]W=mg[/tex]
[tex]W=80 \times 9.81[/tex]
[tex]W= 784.8[/tex]
