Question

If we denote the height of a place above sea level by a positive integer and depth below the sea level by a negative integer, write the following using integers with the appropriate signs:

(a) 200 m above sea level

(b) 100 m below sea level

(c) 10 m above sea level

(d) sea level

Answer 1

(a) 200 m above sea level = + 200

(b) 100 m below sea level – – 100

(c) 10 m above sea level = + 10

(d) Sea level = 0