What number begins with the letter o?

Answer 1

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.

Answer 2

Oh, what a happy little question! The number that begins with the letter "o" is zero. It's a quiet and peaceful number, just waiting to be painted onto the canvas of mathematics.

Answer 3

The number one begins with o. One hundred, one thousand, etc. also begin with the letter o.

Answer 4

How about ONE!

Answer 5

One

Answer 6

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Answer 7

1