High School

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kelly had to multiply 5, 173, and 20. instead of multiplying the result of 5 of 173 by 20, she recognized that it would be easier to multiply 5 times 20 to get 100, and then multiply 100 times 173 to get 17,300. what property did kelly?

Answer :

Final answer:

Kelly is using the Associative Property of Multiplication to simplify her calculations. This mathematical property allows the changing of grouping of numbers without altering the final product.

Explanation:

In the given scenario, the property of multiplication being used by Kelly is known as the Associative Property of Multiplication. This property states that the way in which numbers are grouped does not change the product. In mathematical terms, it is (ab)c = a(bc). In Kelly's case, it is (5 x 173) x 20 = 5 x (173 x 20), which is the application of the associative property. The result remains the same as 17300.

Learn more about Associative Property here:

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