Which of the following shows the correct evaluation for the exponential expression 6 over 7 to the power of 2?

A. 6 over 7 plus 2 equals 2 and 6 over 7
B. 6 over 7 times 2 equals 12 over 7 which equals 1 and 5 over 7
C. 6 over 7 times 6 over 7 equals 36 over 49
D.6 over 7 divided by 2 equals 6 over 14