# How do you simplify #2^3xx2^-5#?

##### 2 Answers

#### Answer:

#### Explanation:

We will use the rules of indices.

We know,

So, Here,

We can use other laws of indices here.

Using this,

And there are other ways too...

Hope this helps.

#### Answer:

Using the same format as the question:

Two raise to the power of negative two.

#### Explanation:

Write as

A whole number is what is called a **'rational number'**. This means that it can be written in the fractional format of

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Note that another way of writing

Putting this back together we have:

Another way of writing

Also note that

So

Hope this helps!