Use five 2's to write an expression whose value is 7.?

Question

This is an advanced algebra question. Having this answer in the next 10 minutes would be great!

Problem again:

Use five 2's to write an expression whose value is 7.

Answer 1

2 + 2 + 2 + 2/2 = 7

Answer 2

2/2 + 2 + 2 + 2

Answer 3

2 to the 3rd power minus 2 to the 0th power.

Answer 4

7=2+2+2+(2/2)

Answer 5

[(2 + 2) x 2] - [2 / 2]

= [4 x 2] - 1

= 8 - 1

= 7

Answer 6

How about 2 + 2 + 2 + (2/2) =7.