Multiplying by Powers of 10: When multiplying by 10, 100, or 1000, move the decimal point 1, 2, or 3 places to the right, respectively. Fill empty spaces with zeros if needed.

Dividing by Powers of 10: When dividing by 10, 100, or 1000, move the decimal point 1, 2, or 3 places to the left, respectively. This reduces the number’s value.

Example Calculations: For 5.02 Ã— 1000, move the decimal 3 places right to get 5020. For 4.21 Ã· 100, move it 2 places left to get 0.0421.