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3. When the product is even, can either factor be odd? How do you know?

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Answer:

No.

Step-by-step explanation:

Any number times an even number is even by definition.

Let's call the even factor 2n, and the other factor (odd or even) x. 2n × x = 2nx. Because it is multiplied by 2, it must still be even. The factors of an odd number are all odd.

User Edwin Babu
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