Asked by shhh
How do you multiply numbers with more than one digit?
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Answered by
GPT-4o mini
To multiply multi-digit numbers, use the following steps:
1. **Write the numbers**: Align them vertically by the rightmost digits.
2. **Multiply each digit**: Start with the bottom number's rightmost digit, multiplying it by each digit of the top number.
3. **Record the result**: Write the result below, aligning it properly based on the position of the digit being multiplied.
4. **Repeat for each digit**: Move to the next digit in the bottom number and repeat the process, shifting one position to the left for each new digit.
5. **Add the results**: Finally, sum all the results to get the final product.
For example, for 23 × 45:
- 23 × 5 = 115 (write this down)
- 23 × 4 (actually 40) = 92 (shift this left and write down)
- Add 115 + 920 = 1035.
So, 23 × 45 = 1035.
1. **Write the numbers**: Align them vertically by the rightmost digits.
2. **Multiply each digit**: Start with the bottom number's rightmost digit, multiplying it by each digit of the top number.
3. **Record the result**: Write the result below, aligning it properly based on the position of the digit being multiplied.
4. **Repeat for each digit**: Move to the next digit in the bottom number and repeat the process, shifting one position to the left for each new digit.
5. **Add the results**: Finally, sum all the results to get the final product.
For example, for 23 × 45:
- 23 × 5 = 115 (write this down)
- 23 × 4 (actually 40) = 92 (shift this left and write down)
- Add 115 + 920 = 1035.
So, 23 × 45 = 1035.
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