Write the following expression in expanded form:

3^4
3 x 4
12
3 + 3 + 3 + 3
3 x 3 x 3 x 3

3^4 is equal to 3 x 3 x 3 x 3 which equals 81.

3 x 4 is equal to 12.

3 + 3 + 3 + 3 is equal to 12.

3 x 3 x 3 x 3 is equal to 81.