To calculate 63 multiplied by 87, you can break it down using the distributive property. First, multiply 63 by 80 (which is 87 rounded down to the nearest ten), giving you 5,040. Then, multiply 63 by 7 (the remaining part of 87), resulting in 441. Finally, add the two products together: 5,040 + 441 = 5,481. Thus, 63 x 87 = 5,481.
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A 3 or 4 digit number.
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Multiplication in general is important; not just 2-digit numbers.
If multiplying 3 digit numbers with 2 digit numbers. For example; 345 x 92= First you will start with 2 by multiplying it by 5 then carry the 1 above the 4 then multiply the "2" with 4 then add the number on-top of the 4 which is 1 and it will give you 9. 4 x 2= 8+1=9. Then times the 2 by 3 which is 6. That is not your answer, yet. 690 plus the amount you get by multiplying 9 by every number, 5 then carry the number, 4 times 9, plus the number above it, then carry the 3 on top of the 3. Then add your total to 690 or what ever your equation is.
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