Найдите значение x если : а)logх 64=2 б) log4x=3

㏒ₓ64=2 => х=√64 => х=8

㏒₄х=3 => х=4³ => х=64

i'm not sure that's right, but folowing my minds:

as k+k=t and t+t=k it means that t=k. so it doesn't matter what number to substitute for letters, and c=0. hope, i helped you=)

0.17

0.003

0.08

1.38

0.045

1.186