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To multiply 79 by 84 using the grid method, first break down the numbers into their place values: 79 becomes 70 and 9, while 84 becomes 80 and 4. Create a grid with these values:

        70   |   9
      ----------------
80  |  5600  |  720
      ----------------
4   |  280   |  36

Next, calculate each cell: 70 x 80 = 5600, 70 x 4 = 280, 9 x 80 = 720, and 9 x 4 = 36. Finally, sum all the products: 5600 + 280 + 720 + 36 = 6636. Thus, 79 x 84 = 6636.

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1w ago

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