Question

Can someone help me ?

Which of the following are true?
3^6 x 3^-3 = 27
3^3 x 3^-6 = 1/27
3^2 x 3^1 = 27
3^4 x 3^-1 = 1/27

Answer 1

i think that all of them EXCEPT the last one are correct. Explained below