If I was the 6th Ranger, I would probably say either ability to fly or ability to be invisible.
Because they're twins, and appeared on the show at the same time, either Gem and Gemma can be considered to be the sixth Ranger.
nine to the sixth power is 531441.
99 to the sixth power is 941,480,149,401
0.3 to the sixth power equals 0.000729
1.028 to the sixth power is 1.18020836358(rounded).
25 to the sixth power equates to 244,140,625
27 to the sixth power equals 387,420,489
10 to the sixth power equals 1,000,000
91,000,000
Two to the sixth power = 64
-1 to the sixth power equals one.
Two to the sixth power equals 64.