Question

(3/5 )^3 × [(5/3)^-2]^4=(3/5)^2m -1

Answer 1

(3/5)^3 * (3/5)^(2*4) = (3/5)^(2m-1)

(3/5)^{3+8}=(3/5)^{2m-1}

if the bases are same, powers are equal

here,

11= 2m-1

11+1=2m

12=2m

12/2= m

6=m