What is the simplified expression for 3 power 3 multiplied by 3 power 3 over 3 power 4

(3^3 * 3^3) / 3^4

multiplying powers with the same base, keep the base and add the powers

(3^ (3 + 3)) / 3^4 =

3^6 / 3^4

dividing powers with the same base, keep the base and subtract the powers

3^6/3^4 = 3^ (6-4) = 3^2

simplified expression is 3^2 or 9