Answer: power of a power
Step-by-step explanation:
in the expression (x^4)^9, 4 and 9 are powers. 9 is the power of x^4, so you have to multiply 4 by 9 to get x^36. this means it's a power of a power
For a cube,

The volume is the cube of the side length.


To raise a product to an exponent, raise each factor to the exponent.

To raise a power to a power, multiply powers.
1. 15*15= 225
2. 8*8= 64
3. 225+64= 289
4 . 17*17=289
(54.3+56.1+n)/3 = 55
54.3+56.1+n = 165
54.6 = n