Evaluate -3 × 7.

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Multiple Choice

Evaluate -3 × 7.

Explanation:
When you multiply a negative number by a positive number, the result is negative. Think of -3 × 7 as adding -7 together three times: -7 + -7 + -7 = -21. Another way to see it is to multiply the absolute values: 3 × 7 = 21, then attach a negative sign because the signs differ. So the product is -21. The other options would come from different scenarios: positive 21 if both factors were positive, -14 if you had -2 × 7 (or 7 × -2), and 0 if one factor were 0.

When you multiply a negative number by a positive number, the result is negative. Think of -3 × 7 as adding -7 together three times: -7 + -7 + -7 = -21. Another way to see it is to multiply the absolute values: 3 × 7 = 21, then attach a negative sign because the signs differ. So the product is -21. The other options would come from different scenarios: positive 21 if both factors were positive, -14 if you had -2 × 7 (or 7 × -2), and 0 if one factor were 0.

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