Question

what is the divisbilty rule of 7
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Answer 1

Answer:

Divisibility by 7. ... To check if a number is evenly divisible by 7: Take the last digit of the number, double it Then subtract the result from the rest of the number If the resulting number is evenly divisible by 7, so is the original number.

Step-by-step explanation:

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Answer 2

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what is the divisbilty rule of 7

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Rule: Take the last digit and cross it out from the original number. Then double it. Subtract it from the “new” number which is the original number excluding the last digit. If the difference is divisible by 7, then the original number must also be divisible by 7. If at first application, the result is not obviously divisible by 7, you can repeat the process as needed until you reach a two-digit number which can easily be determined if it is divisible by 7 or not.