10 base 2 converts to 2 base 10. We have this interesting symmetry going on.
100 base 2 converts to 4 base 10.
2^4 = 16
4^2 = 16
This means 2^4 = 4^2 turns into 16 = 16 which is true
This means the equation (10 base 2)^4 = (100 base 2)^2 is also true