# Question #2707b

##### 1 Answer

Feb 6, 2015

In scientific notation, you move the decimal point to the left or right, untill you have one proper (=non-zero) digit on the left of the decimal point.

In this case it would be

Now the notation works like this:

To the right:

You add

To the left:

You add

So in your case it would be

If we had a number like 45 million: