What will be the sign of the result of the next exercise?
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What will be the sign of the result of the next exercise?
To solve the exercise you need to remember an important rule: Multiplying a positive number by a negative number results in a negative number.
Therefore, if we multiply negative 2 by 2 the result will be negative 4.
That is, the result is negative.
Negative
What will be the sign of the result of the next exercise?
\( (-2)\cdot(-4)= \)
Think of it as repeated subtraction! means "take away 2 two times" which gives -4. The positive number tells you how many times to repeat the negative.
The result is still negative! Order doesn't matter in multiplication. and both equal -4.
Use this pattern: Same signs = Positive, Different signs = Negative. So (+) × (+) = (+), (-) × (-) = (+), but (+) × (-) = (-) and (-) × (+) = (-).
No difference! Both equal -4. The parentheses around (-2) just make it clear that the negative sign belongs to the 2. Both expressions follow the same rule: different signs = negative result.
Two negatives make a positive! For example, . Remember: same signs always give positive results.
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