Question

a number is exactly divisible by 3 if the sum of the digits is a _ of 3.
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Answer 1

Answer:

its sum of the digits are divisible by 3 and it's and answer is 3

Answer 2

I hope it's helpful!

Step-by-step explanation:

number is divisible by 3, if the sum of its all digits is a multiple of 3 or divisibility by 3. Sum of all the digits of 54 = 5 + 4 = 9, which is divisible by 3. Hence, 54 is divisible by 3. Sum of all the digits of 73 = 7 + 3 = 10, which is not divisible by 3.