Question

How to solve 81^5 = 3^x?

Answer 1

20

Explanation:

81 ^5 =3 ^x

(3 ^4) ^5 =3 ^x

3 ^(4×5) =3 ^x

3 ^20 =3 ^x

x=20

Answer 2

x= 20

Explanation:

81^5 = 3^x

(3^4)^5= 3^x

3^20= 3^x

20= x

therefore 81^5= 3^20