67 = 279,936
7 to the power 6 equals 117649
7 to the power of 8
6
128
The answer is 2,821,109,907,456
You would write 7x7x7x7x7x7 as 7^6 (the ^ means to the power of, 7^6 is the same as 76. You would do this because there are 6 sevens there, and 7^6 means 7 times t times 7 times 7 times 7 times 7.
(6)3 x (6)7 = (6)10
y^6
7 + 62 = 43 (7 + 6)2 = 169
8
6 to the negative 8th power equals 5.9537418076512726718488035360463e-7
(6/7)3 = 63/73 = 216/343