What is leftmost nonzero digit?

Answer 1

Oh, dude, the leftmost nonzero digit is basically the first digit in a number that isn't zero. Like, it's the number that kicks off the party and gets things going. So, if you see a number like 503, the leftmost nonzero digit would be 5. Hope that clears things up for ya!

Answer 2

In the number 102568, the 1 is the leftmost non-zero digit.

In the number 0.0004583, the 4 is the leftmost non-zero digit.