Question

If 523a4 is divisible by 3 where a is a digit , find the smallest possible value of a

Answer 1

Answer:

Step-by-step explanation:

we know that the sum of the digits are divisible by 3 then the number will be divisible by 3

so 5+2+3+a+4=14+a

sothe least is 15=14+a

and a=1