Question

A student multiplied 1234 by 32 instead of multiplying by 23. By how much was his answer greater than the correct answer

Answer 1

1234 multiply by 32 =39488
1234 multiply by 23 = 28382
difference = 39488 -28382 = 11106

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Answer 2

Answer- The student's answer was greater than the original answer by 11,106.

Given: Student multiplied 1234 by 32 instead of 23

To find: Difference between correct and incorrect answer

Solution:

Student's incorrect answer = 1234 x 32

Correct answer = 1234 x 23

⇒ Difference in answers = 1234 x 32 - 1234 x 23

= 1234 x (32 - 23) [distributive property]

= 1234 x 9

= 11,106

∴ His answer was greater than the correct answer by 11,106.

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