\nthroot5{16}^{x}=128

\nthroot4{16}^{x}=512

\nthroot3{0.5}^{x}=32

\nthroot4{0.25}^{x}=8

\nthroot3{16}^{x}=2

\nthroot5{1024}^{x}=128

\nthroot3{2}^{x}=0.125

\nthroot5{8}^{x}=0.5

\nthroot5{0.25}^{x}=64

\nthroot5{2}^{x}=128

\nthroot4{8}^{x}=512

\nthroot4{2}^{x}=16

\nthroot4{4}^{x}=512

\nthroot3{0.25}^{x}=512

\nthroot4{16}^{x}=0.125

\nthroot4{8}^{x}=0.25

\nthroot3{1024}^{x}=1024

\nthroot5{16}^{x}=0.5

\nthroot3{8}^{x}=16

\nthroot4{4}^{x}=8

\nthroot3{4}^{x}=0.25

\nthroot4{2}^{x}=16

\nthroot5{4}^{x}=512

\nthroot3{4}^{x}=1024