Respuesta :

Hrishii

Answer:

-850 m

Step-by-step explanation:

New position = - 1300 +450 = - 850 m

Answer:

- 850 m

Step-by-step explanation:

a submarine is positioned 1300 m below sea level => - 1300 m

it ascends 450 m =>

- 1300 m + 450 m =

= - (1300 - 450)

= - 850 m