use expanded form to solve this problem 4x21=

Record the product use expanded form to help
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2 Answers

4*21=84.....................
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Welcome wanna know how to make 4 x 21 in expanded form ? Well just watch....

A   B   C

4  x  2    1

 

(4x2) = (4x1) + 8 (4)

   8    +     4
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