Question

Pls solve these questions

Answer 1

Answer:

2. 1125=3^m×5^n

1125=3^2×5^3

so, m=2 and n=3.

3. 9×3^x=(27)^2x-3

3^2(3^x)=(3^3)^2x-3

3^2+x= 3^6x-9

so, 2+x=6x-9

5x=11

x=11/5.