Question

check whether 77779 is divisible by 7
with explanation (use divisibilty rule 7)​
say correct ​

Answer 1

no

because the rule is 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.

and the difference is not divisible by 7

PLEASE MARK AS BRAINLIEST

Answer 2

Answer: It is NOT divisible.

Step-by-step explanation:

9+9= 18

7777

-   18

7781

7781 while divided by 7 has NO remainder