To multiply decimals by 10, 100, and 1000, use place value labels. Write the digits of the decimal using place value labels. Start with the first non-zero digit. To multiply by 10 move each digit one ...

When you divide a decimal by 10, 100 or 1,000, the place value of the digits decreases. The number decreases in value by 10, 100 or 1,000 times. The digits move to the right as the number gets smaller ...