Question

Is 2115 divisible by 9? Use what you know about divisiblity rules to explaine why or why not.

Answer 1

yes it is divisible and if u multply 9 by 235 u get 2115

Answer 2

The rule states that if the sum of the digits of the entire number is divisible by 9, so is the original number

2 + 1 + 1 + 5 = 9
So 9 is the sum of the digits

9 is divisible by 9

Therefore 2115 is divisible by 9

Hope this helped! ^-^