\nthroot4{0.25}^{x}=16

\nthroot4{0.25}^{x}=0.125

\nthroot3{0.25}^{x}=0.125

\nthroot5{8}^{x}=0.125

\nthroot3{2}^{x}=0.25

\nthroot5{32}^{x}=8

\nthroot3{8}^{x}=0.125

\nthroot5{2}^{x}=0.5

\nthroot5{32}^{x}=32

\nthroot3{8}^{x}=8

\nthroot3{0.25}^{x}=16

\nthroot3{4}^{x}=4

\nthroot4{2}^{x}=4

\nthroot5{1024}^{x}=0.25

\nthroot3{4}^{x}=8

\nthroot4{8}^{x}=2

\nthroot3{16}^{x}=2

\nthroot4{0.5}^{x}=512

\nthroot5{8}^{x}=32

\nthroot3{8}^{x}=2

\nthroot4{8}^{x}=128

\nthroot3{4}^{x}=0.5

\nthroot3{16}^{x}=0.5

\nthroot5{32}^{x}=0.125