Answer
$1,345 ft$
Work Step by Step
Based on the given table, the depth of Cayman Trench is $-24,721ft$ while the depth of the Java Trench is $-23,376ft.$ The difference in the two depths is
\begin{array}{l}\require{cancel}
|-24,721-(-23,376)|
\\\\=
|-24,721+23,376|
\\\\=
|-1345|
\\\\=
1,345 ft
.\end{array}
