a) A bird is flying at a height of 25 meters above the sea level and a fish at a depth of 2 meters.

Question

Represent the following using either positive or negative numbers. 

a) A bird is flying at a height of 25 meters above the sea level and a fish at a depth of 2 meters.

b) A helicopter is flying at a height of 60m above the sea level and a submarine is at 400m below sea level.

Answer 1

a) Height of the flying bird 25 meters from the sea level = + 25 meters 

Depth of the fish 2 meters from the sea level = – 2 meters 

b) Height of the flying helicopter 60 meters from the sea level = + 60 m 

Depth of the submarine 400 m from the sea level = – 400 m