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Liberal Arts Math

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Objectives By the end of this lesson, you Can multiply decimal numbers without the use of a calculator

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Video: Rules for Multiplying Decimals

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Multiplying Decimals Multiply the numbers as if they are ordinary numbers. Count the total number of decimal places in the two factors. The number of decimal places in the answer must equal the total number of decimal places in the two factors. Add as many zeros as you need between the decimal and the answer to get the needed number of decimal places

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EXAMPLES 5.6 x 2.4

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EXAMPLES 5.6 x 2.4 224

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EXAMPLES 5.6 x 2.4 224 112

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EXAMPLES 5.6 x 2.4 224 112 13.44

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EXAMPLES 5.6 x 2.4 224 112 13.44 2.8 x 0.15

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EXAMPLES 5.6 x 2.4 224 112 13.44 2.8 x 0.15 140 28

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EXAMPLES 5.6 x 2.4 224 112 13.44 2.8 x 0.15 140 28 0.420

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EXAMPLES 5.6 x 2.4 224 112 13.44 2.8 x 0.15 140 28 0.420 0.33 x 0.17

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EXAMPLES 5.6 x 2.4 224 112 13.44 2.8 x 0.15 140 28 0.420 0.33 x 0.17 231 33

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EXAMPLES 5.6 x 2.4 224 112 13.44 2.8 x 0.15 140 28 0.420 0.33 x 0.17 231 33 0.0561

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EXAMPLES 0.0018 x 0.0026

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EXAMPLES 0.0018 x 0.0026 108 36 468

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EXAMPLES 0.0018 x 0.0026 108 36 0.00000468

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Video: Summary of Multiplying Decimals

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Summary Review Do you think you Can multiply decimal numbers without the use of a calculator?

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Liberal Arts Math

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