The product of 28 and − 43 is negative because a positive number multiplied by a negative number results in a negative outcome. The calculation shows that 28 × − 43 equals − 1204 , confirming the answer. Thus, the result is negative.
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Recognize that multiplying a positive number by a negative number results in a negative number.
Apply this rule to the given numbers: 28 × − 43 .
Calculate the product: 28 × − 43 = − 1204 .
Conclude that the result is n e g a t i v e .
Explanation
Problem Analysis We are asked to determine the sign of the product of two numbers, 28 and -43. The first number, 28, is positive, and the second number, -43, is negative.
Key Rule Recall the rule that the product of a positive number and a negative number is always negative. When we multiply a positive number by a negative number, the result is always a negative number.
Applying the Rule Applying this rule to the given problem, since 28 is positive and -43 is negative, their product will be negative. To confirm, we can calculate the product: 28 × − 43 = − 1204 .
Final Answer Therefore, the product of 28 and -43 is negative.
Examples
In everyday life, understanding positive and negative numbers helps in managing finances. For example, if you earn $28 (positive) but then spend $43 (negative), your net balance is -$15, indicating you are $15 in debt. This simple multiplication rule is crucial in accounting, budgeting, and understanding financial transactions.