Four Fours/79

Puzzle

Using exactly $4$ instances of the number $4$, the task is to write an expression for $79$, using whatever arithmetical operations you consider necessary.

Solutions

Solution $1$

$79 = \paren {\dfrac 4 {. \dot 4} }^{\sqrt 4} - \sqrt 4$

Solution $2$

$79 = \dfrac {4! + {. \dot 4} } {. \dot 4} + 4!$

Also see

Previous  ... Next