1) 9 ^ 5 = ( 3 ^ 2 ) ^ 5 = 3 ^ 10 2) 27 ^ 3 = ( 3 ^ 3 ) ^ 3 = 3 ^ 9 3) 81 ^ 4 = ( 3 ^ 4 ) ^ 4 = 3 ^ 16 4) 243 ^ 2 = ( 3 ^ 5 )^2 = 3 ^ 10