Answer:
They are looking for the exponent k = 32
Explanation:
this means that we have
four times
x
x
x
Each one of these is 8 8's
(8x8x8x8x8x8x8x8)x(8x8x8x8x8x8x8x8)x(8x8x8x8x8x8x8x8)x(8x8x8x8x8x8x8x8)
How many 8s is that? 32.
The power or powers principal tells us that we can just multiply the exponents. (8 x 4) = 32