Achess player moves a knight from the location (3, 2) to (5, 1) on a chessboard. if the bottom-left square is labeled (1, 1), the translation made is ( ) . if the player moves the knight from (5, 1) to (6, 3), the translation made is ( )

Rena used the steps below to evaluate the expression , when . step 1: substitute into the expression. step 2: simplify the parentheses. step 3: evaluate the power to a power. step 4: use reciprocals and find the value. in which step did rena make the first error?