We count in **billions** according to the **international number system**.

What do you think? 7, 8, 9? Well, let’s find out!

### Answer: There are **9 zeros** in a billion.

Let us see the place **value** of a billion and count the 0s that a billion has.

### Explanation:

**One billion** is also known as a **thousand million** and can be expressed as 1,000 × 1000,000 = 1,000,000,000. It is the **smalles**t 10-digit number in math.

1 billion = 1000 millions = 1,000,000,000

This shows that it has 9 zeros.

Therefore, **1 billion** (1000000000) has **9 zeros**.

Yes, I know I’ve said it twice. (Lol)

Now you Know!