what is n exponient 6 to the power of 6
n6 means n*n*n*n*n*n i.e. there are 6 n's all multiplied together.
what is n exponient 6 to the power of 6,
You mean something like this: (n^6)^6=n^36. By the way, the words "exponent" and "power" are the same thing.