If we denote the height of a place above sea level by a positive integer and dep

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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, represent the following using integers with the appropriate signs. [3 MARKS]
a. 200m above sea level
b. Sea level
c.100m below sea level

Answer:
:
Each option:1 Mark
a. +200m
b. 0
c. -100m

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