Answer:
2^6
Explanation:
64 is a square number by itself: 64 = 8^2.
8 is a cube of 2: 8 = 2^3
Substitute 2^3 in for 8 in the first equation:
64 = 8^2 = (2^3)^2
Now, when we have a power of a power, we multiply the two exponents:
(2^3)^2 = 2^(3 * 2) = 2^6
Thus, 64 = 2^6.