What does a Billion Mean ? Definition and Examples.

A billion is equal to 1000 millions or 1 million thousands. It is also the same as 999 millions plus 1 million.

We write 1 billion in standard form as 1,000,000,000.

As you can see, it is a 1 followed by 9 zeros.

With an exponent, you can write it as 10⁹