How to Multiply Decimal Numbers | Part 1 of 3 | Multiply: (3.9)(4.075) | Minute Math

In this video we learn how to Multiply Decimal Numbers. We show how to Multiply: (3.9)(4.075).

The steps on how to multiply decimal numbers are:
1) Determine the sign of the product.
2) Write the numbers in vertical format, lining up the numbers on the right.
3) Multiply the numbers as if they were whole numbers, temporarily ignoring the decimal points.
4) Place the decimal point. The number of decimal places in the product is the sum of the number of decimal places in the factors. If needed, use zeros as placeholders.
5) Write the product with the appropriate sign.

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https://minutemath.com/pre-algebra/decimal-operations/

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Revision and Adaptation. Provided by: Minute Math. License: CC BY 4.0
CC Licensed Content, Shared Previously

Marecek, L., Anthony-Smith, M., & Mathis, A. H. (2020). Use the Language of Algebra. In Prealgebra 2e. OpenStax. https://openstax.org/books/prealgebra-2e/pages/5-2-decimal-operations. License: CC BY 4.0. Access for free at https://openstax.org/books/prealgebra-2e/pages/1-introduction