Question

Using only 2's and any combination of mathematical signs,symbols and functions can you make you 5?
Brain Teaser

Answer 1

That's one way but do you know another one

Answer 2

@Nurali that's what i got

Answer 3

SQRT(.2 ^ -2)
Take .2 and raise it to the power of -2 and then take the square root.

Answer 4

\[\sqrt{\frac{ 1 }{ 0.2^{2} }}\]

Answer 5

\[\sqrt{\frac{ 1 }{ 0.04 }}\]

Answer 6

\[\sqrt{25}\]

Answer 7

\[5\]

Answer 8

Medal?