multiplying integers

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4 Terms

1
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When you multiply a positive integer by a positive integer, what is the sign of the product?

The product is always positive. For example, 3 \times 4 = 12.

2
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What happens when you multiply a negative integer by a negative integer?

The product is always positive. For example, (-3) \times (-4) = 12.

3
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What is the sign of the product when multiplying a positive integer by a negative integer (or vice versa)?

The product is always negative. For example, 3 \times (-4) = -12 or (-3) \times 4 = -12.

4
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What is the product when any integer is multiplied by zero?

The product is always zero. For example, 5 \times 0 = 0 or (-7) \times 0 = 0.