# Is the number #12.38 X 10^2# in scientific notation and how do you know?

##### 2 Answers

Technically **scientific notation** ; any number expressed in the form

However, it is **not** in **normalized scientific notation** . In normalized scientific notation, there is exactly 1 non-zero digit to the left of the decimal point in the

In normalized scientific notation, your original value would be written as

It's **not** in correct scientic notation.

The correct notation should be

The rule is that the number before the

The *exception* is when you have a table of values. In that case you use the same