Which of these expressions is the equal to 243?

Answer 1

243 can be expressed as:

1) 3^5
2) 81 x 3
3) 27 x 3 x 3
4) 9 x 3 x 3 x 3
5) 3 x 81
6) 3 x 3 x 27
7) 3 x 3 x 3 x 9