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A student multiplied 7236 by 65 instead of multiplying by 56 . By how much was his answer greater than the correct answer? (Hint: Do you need to do both the multiplications?)

88. A student multiplied 72367236 by 6565 instead of multiplying by 5656 . By how much was his answer greater than the correct answer? (Hint: Do you need to do both the multiplications?)

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Full solution

Q. 88. A student multiplied 72367236 by 6565 instead of multiplying by 5656 . By how much was his answer greater than the correct answer? (Hint: Do you need to do both the multiplications?)
  1. Calculate Incorrect Multiplication: Calculate the incorrect multiplication: 72367236 multiplied by 6565. \newline7236×65=4703407236 \times 65 = 470340
  2. Calculate Correct Multiplication: Calculate the correct multiplication: 72367236 multiplied by 5656. \newline7236×56=4052167236 \times 56 = 405216
  3. Find the Difference: Subtract the correct answer from the incorrect answer to find the difference.\newline470340−405216=65124470340 - 405216 = 65124

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