The number zero

The number of zeroes at the end of the square of a number is _______ the number of zeroes at the end of the number

Property 2 The number ends in an odd number of zeros then it does not have a square root.If a square number is followed by an even number of zeros it has a square root in which the number of zero in the end is half the number of zero in the number.

The number of zeroes in 54! is

The number of zeroes in 99! is

The number of zeroes at the end of (127)! Is

Reciprocal of which number is zero