Tyler simplified the expression. His procedure is shown below.

Answer:Step-by-step explanation:                                                         1Tyler correctly rewrote x^(-3) as ------- , but                                                        x³                                                        1he incorrectly wrote y^(-9) as   ---------                                                     y^(-9)Both x^9 and y^9 should be in the denominator.  This corresponds to the 2nd given possible answer.