Why Do You Need Zeros When Multiplying?

The video tutorial explains why zeros are often needed in multiplication, especially in vertical format. It reviews the commutative and distributive properties of multiplication and demonstrates the use of placeholders through examples. The first example shows multiplying 12 by 4, highlighting the importance of aligning digits by place value. The second example involves multiplying 542 by 136, further illustrating the concept of placeholders in partial products.

What mistake was identified when multiplying 12 by 4 in the video, and how was it corrected?

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Describe the process of multiplying 542 by 136 as shown in the video.

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