Scientific Notation Worksheets - Math Worksheets Center Upon moving decimal place once to the left we will get, 406,00.0. we need to keep moving the decimal until we have a number between 1 and 10. To achieve this, we will have to move the decimal place to the left 5 times. We will have 4.06. multiplying 4.06 times 10 5. 406,000 in scientific notation will be 4.06 x 10 5 .