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What is the quickest way to multiply any number by 10?
- a)Add 1 to the number.
- b)Add 5 to the number.
- c)Subtract 10 from the number.
- d)Just add 0.
Correct answer is option 'D'. Can you explain this answer?
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Most Upvoted Answer
What is the quickest way to multiply any number by 10?a)Add 1 to the n...
Understanding Multiplication by 10
When multiplying a number by 10, the simplest and quickest method involves adjusting the number by adding a zero at the end. This rule applies universally, regardless of the size or type of the number.
Why Option D is Correct
- Add 0 to the Number:
- When you add a zero to the end of any number, it effectively multiplies that number by 10.
- For example, if you take the number 5 and add a zero, it becomes 50, which is 5 multiplied by 10.
Why Other Options Are Incorrect
- Option A: Add 1 to the Number:
- Adding 1 to a number does not multiply it by 10. For instance, 5 + 1 = 6, which is not 10 times 5.
- Option B: Add 5 to the Number:
- Similar to adding 1, adding 5 does not achieve multiplication by 10. For example, 5 + 5 = 10, but that is not 50.
- Option C: Subtract 10 from the Number:
- Subtracting 10 reduces the number, which does not relate to multiplying it by 10. For instance, 5 - 10 = -5, which is far from 50.
Conclusion
The quickest way to multiply any number by 10 is indeed to just add a 0. This simple technique is effective and easy, making it an essential skill for young learners.
When multiplying a number by 10, the simplest and quickest method involves adjusting the number by adding a zero at the end. This rule applies universally, regardless of the size or type of the number.
Why Option D is Correct
- Add 0 to the Number:
- When you add a zero to the end of any number, it effectively multiplies that number by 10.
- For example, if you take the number 5 and add a zero, it becomes 50, which is 5 multiplied by 10.
Why Other Options Are Incorrect
- Option A: Add 1 to the Number:
- Adding 1 to a number does not multiply it by 10. For instance, 5 + 1 = 6, which is not 10 times 5.
- Option B: Add 5 to the Number:
- Similar to adding 1, adding 5 does not achieve multiplication by 10. For example, 5 + 5 = 10, but that is not 50.
- Option C: Subtract 10 from the Number:
- Subtracting 10 reduces the number, which does not relate to multiplying it by 10. For instance, 5 - 10 = -5, which is far from 50.
Conclusion
The quickest way to multiply any number by 10 is indeed to just add a 0. This simple technique is effective and easy, making it an essential skill for young learners.
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Community Answer
What is the quickest way to multiply any number by 10?a)Add 1 to the n...
The quickest way to multiply any number by 10 is to simply add 0 to that number. For example, if you want to multiply 3 by 10, you can just add 0 to 3, resulting in 30. This trick works because our number system is based on cycles of ten, making it easy to move each digit one place to the left, effectively multiplying by 10.
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What is the quickest way to multiply any number by 10?a)Add 1 to the number.b)Add 5 to the number.c)Subtract 10 from the number.d)Just add 0.Correct answer is option 'D'. Can you explain this answer?
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