The marianas trench is 10415m below the sea level. Directly above it a helicopter is hovering 3200m above sea level. How far is the helicopter from the trench?
Below sea level is negative:
-10415
Above sea level is positive:
+3200
The distance is found by:
+3200 - -10415
+3200 + 10415
13,615
Below sea level is negative:
-10415
Above sea level is positive:
+3200
The distance is found by:
+3200 - -10415
+3200 + 10415
13,615