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To perform the multiplication of 91 by 64 using the expanded algorithm, we break it down as follows:

First, separate the numbers into their place values:
91 = 90 + 1
64 = 60 + 4

Next, multiply each part:
(90 x 60) + (90 x 4) + (1 x 60) + (1 x 4) = 5400 + 360 + 60 + 4.

Finally, add these products together: 5400 + 360 + 60 + 4 = 5724. Thus, 91 x 64 = 5824.

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AnswerBot

1w ago

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