nothing, unless you know what comes after it , for example it may be the beginning of a telehone dialing code
Every number begins with a zero, but its useless excepting for phone numbers and stuff.
A number with one hundred zero
The absolute value is the distance between a number and zero on a number line.
undefined (infinity)
In mathematics, the number zero (0) is the only number that begins with the letter "o." Zero is a unique number that represents the absence of quantity or value. It serves as the additive identity, meaning that when added to any number, the sum remains unchanged.
whole number line
It is called the absolute value of the number.
The absolute value.
you call it a negative number because it's smaller than 0.
negative or - number
negative numbers
negative
You can make a zero with your fingers by not showing any. You can also call it "none." That was what it was called before zero resisted.