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The difference 8640-999 is ____.

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Detailed Solution

The difference 8640-999 is 7641.
As we know, the associative property for subtraction says that the subtraction can be done irrespective of the choice of a group of elements whose difference is to be calculated.

⇒ 8640 − 999 ⇒ 8640 − 1000 − 1 ⇒ 8640 − 1000 + 1 ⇒ 8640 + 1 − 1000 ⇒ 8641 − 1000 ⇒ 7641

Hence, we perform the required subtraction with the help of associative property.
Therefore, the required difference is 7641.

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