Complete the following exercise:
We have hundreds of course questions with personalized recommendations + Account 100% premium
Complete the following exercise:
Let's recall the rule:
Therefore, the sign of the exercise result will be positive:
12
Convert \( \frac{7}{2} \)into its reciprocal form:
Multiplication (×) means repeated addition: . Addition (+) just adds once: . They're completely different operations!
Think of it as skip counting! Count by 2s six times: 2, 4, 6, 8, 10, 12. Or picture 6 groups of 2 objects each - count them all up!
Yes! This is called the commutative property. . You can multiply numbers in any order and get the same answer.
Both × and · mean multiplication! The dot (·) is often used in higher math to avoid confusion with the letter 'x'. They mean exactly the same thing.
No problem! Use repeated addition: . Count on your fingers or draw pictures. The more you practice, the faster you'll memorize them!
Get unlimited access to all 18 Signed Numbers (Positive and Negative) questions, detailed video solutions, and personalized progress tracking.
Unlimited Video Solutions
Step-by-step explanations for every problem
Progress Analytics
Track your mastery across all topics
Ad-Free Learning
Focus on math without distractions
No credit card required • Cancel anytime