Question

Question 61.

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, then write the following using integers with the appropirate sign:

(a) 200 m above sea level (b)100 m above sea level

(c)10 m above sea level (d) Sea level

Answer 1

Given that,

The height of a place above sea level is denoted by positive (+) sign and depth below the sea level is denoted by negative (-)sign.

(a) 200 m above sea level = +200 m

(b)100 m above sea level = +100 m

(c) 10 m above sea level = +10m

(d) Sea level = 0 ($\because$ Sea level is taken as the reference)