dustinmoorhead49 dustinmoorhead49
  • 09-09-2021
  • Mathematics
contestada

The digit that makes 39,9?8 divisible by 9 is

Respuesta :

M7Yasuo
M7Yasuo M7Yasuo
  • 09-09-2021

Answer:

?=7

Step-by-step explanation:

Here is a cool trick that I believe only works with 9.

Add the numbers, 3+9+9+8+x= divisible by 9.

3+9+9+7+8 is 36 which is the only number divisible by 9.

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