Answer:
7 to the 6th power is conventionally written as 76, with superscript for the exponent, but the notation using the caret symbol ^ can also be seen frequently: 7^6. 
 
76 stands for the mathematical operation exponentiation of seven by the power of six. 
 
As the exponent is a positive integer, exponentiation means a repeated multiplication: 
The exponent of the number 7, 6, also called index or power, denotes how many times to multiply the base (7). 
 
Thus, we can answer what is 7 to the 6th power as 
 
7 to the power of 6 = 76 = 117649.