Question

if xy 64 where x and y are positive integers find the value of y^xy

Answer 1

26=6426=64 → x+y=8x+y=8

43=6443=64 → x+y=7x+y=7

82=6482=64 → x+y=10x+y=10

641=64641=64 → x+y=65

The only possible values of x+y listed among the choices are 7,8 and 10