Deathvalley has an elevation of - 282 feet to sea level explain how to use absolute value to describe the elevation of death valley as a positive integer.

Absolute value means that there is no negatives. You can use absolute value to measure distance. There is no "negative distance".

All you would do for this problem is take - 282 and make it into an absolute value (which is the same number but not a negative)

-282

=|282|

=282

Its really simple