pls help!!
The number 81X0597 is divisible by 9. One of the digits has been replaced with X. What is the missing digit? Show how you determined the answer.
read up about casting out 9's
The sum of the digits must be a multiple of 9.
The number 81X0597 is divisible by 9. One of the digits has been replaced with X. What is the missing digit? Show how you determined the answer.
The sum of the digits must be a multiple of 9.