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Multiplication Tricks: Multiplying Two Numbers where the Base is a Multiple of Power of 10 Video Lecture | Quantitative Aptitude (Quant)

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FAQs on Multiplication Tricks: Multiplying Two Numbers where the Base is a Multiple of Power of 10 Video Lecture - Quantitative Aptitude (Quant)

1. What are some tricks for multiplying two numbers where the base is a multiple of a power of 10?
Ans. One trick is to count the number of zeros in the base and add that many zeros to the end of one of the numbers before multiplying. For example, if you are multiplying 5000 by 700, you can add three zeros to 700 to make it 700000 and then multiply to get the answer.
2. Can you explain the process of multiplying two numbers where the base is a multiple of a power of 10 in more detail?
Ans. Sure! When multiplying two numbers where the base is a multiple of a power of 10, you can ignore the zeros in the base and multiply the non-zero digits together. Then, count the number of zeros in the base and add that many zeros to the end of the result. This simplifies the multiplication process and makes it easier to find the answer.
3. Are there any other multiplication tricks for numbers with bases that are multiples of a power of 10?
Ans. Yes, another trick is to use the distributive property of multiplication. For example, if you want to multiply 6000 by 800, you can split 800 into 8 and 100. Multiply 6000 by 8 to get 48000, and then multiply that by 100 to get the final answer of 4800000. This trick can simplify the multiplication process when dealing with larger numbers.
4. How can I use these tricks to multiply decimals with bases that are multiples of a power of 10?
Ans. When multiplying decimals with bases that are multiples of a power of 10, you can apply the same tricks. Ignore the zeros in the base, multiply the non-zero digits together, and then count the number of zeros in the base and add that many zeros to the end of the result. This will give you the correct decimal placement in the final answer.
5. Can these multiplication tricks be used for numbers that are not multiples of a power of 10?
Ans. These tricks are specifically designed for numbers where the base is a multiple of a power of 10. While they may still work for other numbers, they are most effective and efficient when applied to numbers with bases that are multiples of a power of 10.
181 videos|146 docs|111 tests

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