Question

Solve 3^2x =1/81

find x

Answer 1

3^2x = 1/81
3^2x = 3^-3
by equating powers of 3,
2x = -3
x = -3/2

hope this helps :)))

Answer 2

`3^2x = (1)/(81)`


`9x= (1)/(81)`


`x= ( (1)/(81) )/(9)`


`x= (1)/(81*9)`


`x= (1)/(729)`