How do I do this

8^12 * (8^7)^-2

= 8^12 * 8^(7 x -2)

=8^12 * 8^(-14)

=8^(12)  /  8^(14)

= 1/8^2

= 1/64

 

or

 

8^12 * (8^7)^-2

8^12 * (8^-14)

8^(12-14)

8^-2

1/64