To multiply two decimal numbers,
Step 1 : Multiply the decimal numbers the same way as multiplication of whole numbers
Step 2 : The number of decimal places of the product (answer) is the sum of all decimal places of each number
Evaluate 10.02 × 0.3
Evaluate 12.3 × 22
Do not discard the trailing zeros until you have placed the decimal point as shown in the following example.
12.25 × 0.4
Final answer may be given as 4.9. Note that the trailing zeros helped to place the decimal point correctly.
Rotate to landscape screen format on a mobile phone or small tablet to use the Mathway widget, a free math problem solver that answers your questions with step-by-step explanations.
We welcome your feedback, comments and questions about this site or page. Please submit your feedback or enquiries via our Feedback page.