bernardo61 bernardo61
  • 23-08-2022
  • Mathematics
contestada

2. How do you know if a number is
divisible by 9 without dividing?

Respuesta :

ericfeng1003
ericfeng1003 ericfeng1003
  • 23-08-2022

Answer:

Add all the digits of the number, then check if that sum is divisible by 9. If yes, we know the number is divisible by 9.

Answer Link
3nq9j2u9g9 3nq9j2u9g9
  • 23-08-2022
If the sum of all the digits of a number is divisible by 9, then the number is also divisible by 9. examining its digits.
Answer Link

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