Question

Find m: (2/9 )^3 x (2/9 )^6 = (2/9 )^2m-1

Answer 1

${2 \div 9}^{2} \times {2 \div 9}^{6} = {2 \div 9}^{9}$

so 9=2m -1

2m =10

m=5