Question

How do you insert parentheses, operation signs, and exponents to make 4 2 5 = 19 true?

Answer 1

The operations/exponents are colored in blue:

`4^color(blue)(2)color(blue)(-)2color(blue)(+)5 = 19`

`16 - 2 + 5 = 19`

`14 + 5 = 19`

`19 = 19`

Hope this helps!