What will be the sign of the result of the exercise?
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What will be the sign of the result of the exercise?
We will look only at whether the fraction is negative or positive.
In other words, the multiplication exercise looks like this:
If we solve the exercise from left to right, we'll first multiply minus by plus:
Now the remaining exercise is:
Therefore, the sign of the exercise result will be negative.
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Solve the following exercise:
\( (+6)\cdot(+9)= \)
For sign determination, you only need to count negative signs! The actual numbers don't affect whether the result is positive or negative - just the signs do.
Two negatives would give a positive result! Remember: even number of negatives = positive, odd number of negatives = negative.
Think of it like this: negative × positive = negative (like debt × growth = more debt). Then negative × positive = negative again!
No! You can multiply in any order. The sign rules work the same way: always equals negative.
If any fraction is zero, the entire product is zero - regardless of the signs! Zero has no positive or negative sign.
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