Question

Why is 0 factorial 1??? Someone please help!

Answer 1

HEYA ❣️

This still counts as one way of arranging it, so by definition, a zero factorial is equal to one, just as 1! is equal to one because there is only a single possible arrangement of this data set.

Answer 2

The Definition of a Zero Factorial. ... This still counts as one way of arranging it, so by definition, a zero factorial is equal to one, just as 1! is equal to one because there is only a single possible arrangement of this data set