Question

Which expression represents 81? 1. 3^3 2. 3^4 3. 3^5 4. 3^6

Answer 1

2. 3^4

Explanation:

3 x 3 x 3 x 3 = 81

Or you can do it an easier way by

3 x 3 = 9

3 x 3 = 9

Then you would multiply 9 x 9 which gives you the answer of 81.

I am sorry if you get this wrong.