Question

aqui estan 

log 1/2 0.25 =x

log x 3 =6

log 9 1/3 =x

log x 21=-4

aqui estan me pueden ayudar gracias

Answer 1

 

log 1/2 0.25 =x ---> 1/2 ^x =1/4 ---> x=2

 

log x 3 =6 ----> x^6 = 3 ----> x=1.2

 

log 9 1/3 =x ---> 9^x = 1/3 ---> x= -1/2

 

log x 21=-4 ---> x^-4 = 21 ---> x= 0.46