Answer:
4478 m
Step-by-step explanation:
Altitude 1= A1= Mt Whitney is at 4392 m above sea level.
Altitude 2= A2= Bombay Beach is -86
Difference in Altitude= A3=?
A3 = A1 - A2 (because A1 is mentioned first and is the greater altitude)
A3 = 4392 - (-86)
= 4392 + 86
A3 = 4478 m
