Question

what is the value of m , (2/9)^3.(2/9)^-6=(2/9)^2m-1​

Answer 1

Step-by-step explanation:

let 2/9 =a

a³× a^-6 = a^2m-1

= a^(3-6)= a^2m-1 as x^m*x^n = x^(m+n)

=> -3=2m-1

-2=2m

m=-1