# What is 800,000,000 in scientific notation?

##### 1 Answer

#### Answer:

#### Explanation:

Scientific notation is a way of writing very big or very small numbers quickly, easily and accurately, without having to write lots of zeros.

If a zero is added on or left off by mistake, it changes the answer by a factor of 10!

We use the powers of 10, which are

These are written as

We multiply the powers of 10 by a number to show how many of a certain power of 10 we are using.

You will see that the number of zeros is the same as the index.

Sometimes there is more than one non-zero digit to consider:

There must only be ONE digit before the decimal point.

To change a number to scientific notation:

Count how many places the decimal point must move.

The point was moved 8 places to the left until it was just to the right of the