Answer:

532

Step-by-step explanation:

add all the digits of a number

ex: 321 so 3+2+1= 6

if the the answer is divisible by 3 then the number is divisible by 3.

if not then it is not

Answer:

532

Step-by-step explanation:

you can tell if the number is not divisible by 3 by adding it's digits and if the sum is not divisible by 3 it's not divisible by 3

Example:

470

4+7+0=11

11 is not divisible by 3