How to write a number less than zero in scientific notation

The video tutorial explains how to move decimal points in numbers, focusing on understanding the concept of decimal movement and how to calculate the new position of a decimal point. It also covers the importance of recognizing when the movement is negative, emphasizing careful attention to positive and negative shifts.

Explain how to convert a number like 6.47 to its original form after moving the decimal point.

What should you be careful about when determining positive and negative movements of the decimal point?