# How do you convert #8.1 x 10^-4# into expanded notation?

##### 2 Answers

Do you mean change

0.00081 would be the answer. The decimal point moves 4 places because you have the number 4. It moves to the left because it is a negative 4.

#### Explanation:

Expanded notation is like reducing or deducing a number expansively in the **Hundreds Tens and Units** format to match the given value.

For example;

Expanded notation of

**Note**

Another example;

Expanded notation of

Now we know that when a number divided by;

**Tenth**

**Hundredth**

**Thousandth**

**Ten Thousandth**

**Hundredth Thousandth**

e.g

Now;

How do you convert

First we should convert it to standard notation;

Now converting to Expanded Notation;