Simplify

3 to the negative power of 9

over 3 to the negative power of 12

27

Step-by-step explanation:

3^-9 / 3^-12

Simply change the division into multiplication. The denominator will become numerator. We are doing so because the base are same.

3^-9 * 3^12

Negative sign of power 12 become positive

Add the powers because the base is same.

3^-9+12

3^3

3^3 means multiply 3 three times

3*3*3

=27 ...