4 years ago

Solve 821 x 54 using an area model.

Mathematics

2 answers:

IRISSAK [1]4 years ago

8 0

Check the image below for your answer. Hope this helped!

Mariana [72]4 years ago

8 0

Answer:

44334 is the answer.

Step-by-step explanation:

As shown in the figure attached,

Length of the rectangle is represented by 821 (800 + 21) and width of the rectangle by 54(50 + 4).

800×50 = 40000

21×50 = 1050

800×4 = 3200

21×4 = 84

Now by adding all four multiplications we get the total of

40000 + 1050 + 3200 + 84 = 44334

Therefore, answer is 44334.

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