Question

What is 12^2 *12^-4.

Answer 1

Explanation:

This is the same to have 12^2/12^4

This is equal to have 1/12^2

1/144=0,0069

Answer 2

`\large\boxed{12^(-2)=(1)/(144)}`

Explanation:

`12^2\cdot12^(-4)\qquad\text{use}\ a^n\cdot a^m=a^(n+m)\\\\=12^(2+(-4))=12^(-2)\qquad\text{use}\ a^(-n)=(1)/(a^n)\\\\=(1)/(12^2)=(1)/(12\cdot12)=(1)/(144)`