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What is a practical use for the identity property of addition and multiplication?

Posted by RealEstateSEO | Posted in Real Estate SEO | Posted on 24-02-2010

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Property
Will asked:


The identity property entails: 0 + A = A
The identity property of multiplication entails: 0 * A = 0

Adding 0 to a term results in the same term. Multiplying zero by a term results in 0.

Are there any practical applications to this property? In other words, in what instance would you use this property? I realize that you would use it simply when you add or multiply by zero. But, are there any other algebraic applications?

Thanks.

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