# What is the order of magnitude of 1000?

##### 1 Answer

Sep 6, 2014

The answer is 3.

Because we use the decimal system, we use

The first (easiest) way to to move the decimal point to the right of the most significant digit, in this case, the

The second way is to take

The third way is to convert the number into scientific notation. The order of magnitude is the power used. So for a different example: