The array can be shown as 5 groups of 3 showing that 5 x 3 = 15. Or it could be shown as 3 groups of 5 showing that 3 x 5 = 15. This demonstrates that multiplication is commutative. Image caption, ...
Joe Liebkind is a reporter for top finance sites with 5+ years of experience as a writer, content strategist, and tech consultant. Erika Rasure is globally-recognized as a leading consumer economics ...
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