0 votes 0 votes How many different elements does $A \times B$ have if $A$ has $m$ elements and $B$ has $n$ elements? Set Theory & Algebra kenneth-rosen discrete-mathematics set-theory&algebra + – Pooja Khatri asked Apr 5, 2019 Pooja Khatri 149 views answer comment Share Follow See all 0 reply Please log in or register to add a comment.