Solve the following problem:
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Solve the following problem:
Let's write the exercise in the following way:
Note that in the numerator of the fraction we are multiplying two negative numbers, therefore the result must be a positive number:
Break down 49 and 14 into multiplication exercises:
Reduce the 7 in the numerator and denominator of the fraction and proceed to break down the 10 into a multiplication exercise:
Reduce the 2 and note that we are multiplying a positive number by a negative number, therefore the result must be negative:
Let's solve the exercise from left to right.
Note that first we are multiplying a negative number by a positive number, therefore the result must be a negative number:
We obtain the following:
Note that we are multiplying a negative number by a positive number, therefore the result must be a negative number:
What will be the sign of the result of the next exercise?
\( (-2)\cdot(-4)= \)
Think of it like directions: if you're facing backwards (-) and walking backwards (-), you end up moving forward (+)! The rule negative × negative = positive always works.
The ÷ symbol means division! So becomes . Then you multiply: .
Yes! Since we only have multiplication and division (same priority level), work left to right: becomes then .
Count the negative signs! With three negatives total, the final answer must be negative. Use the rule: odd number of negatives = negative result.
Yes! Simplify first. Then your calculation becomes .
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