Question

3 to the power 4x = 1/81 find the x

Answer 1

Answer:

(4x)3=1/81

64x =1/81

64x×81=1

5184x=1

x = 1/5184

Answer 2

Answer:

x= -1

Step-by-step explanation: 3 ^4x= 1/81

1/81=1/3^4 that implies

1/81=3^-4

equate the l.h.s and the r.h.s

= 3^4x= 3^-4

4x=-4

x=-1