If √(1+√(1+√(1+...))) = x, find x

If 4^x - 4^(x-1) = 24, find (2x)^x

Simplify: (a^(m+n))^(m-n) × (a^(n+p))^(n-p) × (a^(p+m))^(p-m)

Find the value of: (256)^(0.16) × (16)^(0.18)