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Record the product. use expanded form to help. 4x21=
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Record the product. use expanded form to help.

4x21=

User Fkorsa
by
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2 Answers

2 votes
8.4 * 10^1 is what I think the answer is 
User Plicatibu
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6.2k points
6 votes
to use it in expanded form
(4×20)+(4×1)=84
User Eric Shieh
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6.0k points
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