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Is $12 \times 21$ positive or negative?

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Integer addition and subtraction rules

Full solution

Q. Is

12 \times 21

positive or negative?

Check Signs: Check the signs of $12$ and $21$ . $12$ is positive and $21$ is positive. Signs are the same.
Determine Product Sign: Determine if $12 \times 21$ is positive or negative. When $2$ integers have the same signs, the product is positive.
Calculate Product: Calculate $12 \times 21$ . $12 \times 21 = 252$

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