Aight check it:

1.0 = 1
1.00 = 1
1.000000 = 1

Howeva.. What if that number be looooooooooooooooooooooooong?
Like:
1.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000~...(billionmilliongajilliontrillion zeroes times babillion mamillion bubbilion infinillion zeroes) = 1?
There ain't no man dat seen't that number for real. Thas a fact.

If you can't display all dem zeroes in dat dere decimal, how you gon claim that sucha number still be 1, without observable evidence?
Faith? Belief? DA EASTER BUNNY TOLD YA? *chuckle*
Ya'll soundin like a bunch Christian an shi*t. "I believs et"